Published: 06/05/2021 Updated: 12/07/2022

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 829

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Exim 4 prior to 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote malicious users to execute arbitrary commands as root.

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exim exim

The Qualys Research Labs reported several vulnerabilities in Exim, a mail transport agent, which could result in local privilege escalation and remote code execution Details can be found in the Qualys advisory at wwwqualyscom/2021/05/04/21nails/21nailstxt For the stable distribution (buster), these problems have been fixed in version 4 ...

Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem (CVE-2020-28007) Exim 4 before 4942 allows Execution with Unnecessary Privileges Because Exim oper ...

A security issue has been found in Exim before version 4942 that allows for line truncation and injection in spool_read_header() ...

NMAP vulnerability scanning scripts A collection of nmap vulnerability scanning scripts to aid afforable detection and remediation Background These scripts use the Nmap Scripting Engine (NSE) to implement checks for various vulnerabilities References: nmaporg/book/man-nsehtml nmaporg/nsedoc/indexhtml Scripts Exim mailserver CVE-2020-28017 through CVE-20

NMAP Vulnerability Scanning Scripts

NMAP vulnerability scanning scripts A collection of nmap vulnerability scanning scripts to aid afforable detection and remediation Background These scripts use the Nmap Scripting Engine (NSE) to implement checks for various vulnerabilities References: nmaporg/book/man-nsehtml nmaporg/nsedoc/indexhtml Scripts Exim mailserver CVE-2020-28017 through CVE-20

NVD-CWE-Other https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28026-FGETS.txt https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4912 https://github.com/nccgroup/nmap-nse-vulnerability-scripts

CVE-2020-28026

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