CVE-2021-21691

CRITICAL

Jenkins < 2.303.3 and < 2.319 - Symbolic Link Creation Without Required Permission

Title source: llm
STIX 2.1

Description

Creating symbolic links is possible without the 'symlink' agent-to-controller access control permission in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0064
EPSS Percentile 70.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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