Published: 09/01/2019 Updated: 03/10/2019

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 6.5 | Impact Score: 2.5 | Exploitability Score: 3.9

VMScore: 570

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

A denial of service vulnerability exists in Jenkins 2.145 and previous versions, LTS 2.138.1 and previous versions in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows attackers without Overall/Read permission to access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.

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This Metasploit module exploits a vulnerability in Jenkins dynamic routing to bypass the Overall/Read ACL and leverage Groovy metaprogramming to download and execute a malicious JAR file The ACL bypass gadget is specific to Jenkins versions 2137 and below and will not work on later versions of Jenkins Tested against Jenkins 2137 and Pipeline: G ...

NVD-CWE-noinfo https://jenkins.io/security/advisory/2018-10-10/#SECURITY-1128 http://www.securityfocus.com/bid/106532 https://nvd.nist.gov https://packetstormsecurity.com/files/152132/Jenkins-ACL-Bypass-Metaprogramming-Remote-Code-Execution.html

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CVE-2018-1000408

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