CVE-2021-21691

critical

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

https://github.com/advisories/GHSA-2c79-h2h5-g3fw

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

Details

Source: Mitre, NVD

Published: 2021-11-04

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00733

Detections

Analytics