Published: 04/11/2021 Updated: 22/11/2023

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

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

VMScore: 668

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

Jenkins 2.318 and previous versions, LTS 2.303.2 and previous versions does not limit agent read/write access to the libs/ directory inside build directories when using the FilePath APIs, allowing attackers in control of agent processes to replace the code of a trusted library with a modified variant. This results in unsandboxed code execution in the Jenkins controller process.

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Jenkins before version 2319 does not limit agent read/write access to the libs/ directory inside build directories when using the FilePath APIs This directory is used by the "Pipeline: Shared Groovy Libraries" Plugin to store copies of shared libraries This allows attackers in control of agent processes to replace the code of a trusted library ...

NVD-CWE-Other https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2423 http://www.openwall.com/lists/oss-security/2021/11/04/3 https://nvd.nist.gov https://security.archlinux.org/CVE-2021-21696

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CVE-2021-21696

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