VULNERABILITY INTELLIGENCE

CVE-2021-21697

CVSS score9.1 CRITICAL

EPSS probability1.60%

CISA KEVNot currently listed

Published2021-11-04

Last modified2026-06-17

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

Description

Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.

Weakness classification

nvd@nist.gov: NVD-CWE-Other

Primary references

jenkinsci-cert@googlegroups.com — Mailing List, Third Party Advisory
jenkinsci-cert@googlegroups.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory