CVE-2021-21686

HIGH

Jenkins < 2.303.3 and < 2.319 - Path Traversal via Symbolic Link Following

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0051
EPSS Percentile 66.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Details

CWE
CWE-59
Status published
Products (3)
jenkins/jenkins < 2.303.3
jenkins/jenkins < 2.319
org.jenkins-ci.main/jenkins-core 0 - 2.303.3Maven
Published Nov 04, 2021
Tracked Since Feb 18, 2026