CVE-2021-21690

Published: Nov 4, 2021Modified: Nov 21, 2024

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

Affected (2)

Products: Jenkins: Jenkins

Jenkins

1 product

Jenkins

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Jenkins Jenkins	Before 2.319
Jenkins Jenkins	Before 2.303.3

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

https://www.jenkins.io/security/advisory/2021-11-04/#SECURITY-2455

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.