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CVE-2021-21686

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

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8.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Exploitability: 2.8 / Impact: 5.2
Source: NVD

Description

File path filters in the agent-to-controller security subsystem of Jenkins 2.318 and earlier, LTS 2.303.2 and earlier do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories.

Affected (2)

Products: Jenkins: Jenkins
Jenkins
1 product
Jenkins
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Jenkins
Jenkins
Before 2.319
Jenkins
Before 2.303.3

Related CWEs

CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (2)

Source: jenkinsci-cert@googlegroups.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.