Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-21696

Published: Nov 04, 2021 | Modified: Nov 22, 2023
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9 IMPORTANT
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-21696
CWEhttps://cwe.mitre.org/data/definitions/NVD-Other.html

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier 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.

Affected Software

Name Vendor Start Version End Version
Jenkins Jenkins * 2.303.2 (including)
Jenkins Jenkins * 2.318 (including)
Red Hat OpenShift Container Platform 3.11 RedHat jenkins-0:2.303.3.1637698110-1.el7 *
Red Hat OpenShift Container Platform 4.6 RedHat jenkins-0:2.303.3.1637597493-1.el8 *
Red Hat OpenShift Container Platform 4.7 RedHat jenkins-0:2.303.3.1637597018-1.el8 *
Red Hat OpenShift Container Platform 4.8 RedHat jenkins-0:2.303.3.1637596565-1.el8 *
Red Hat OpenShift Container Platform 4.9 RedHat jenkins-0:2.303.3.1637595827-1.el8 *

References

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