VULNERABILITY INTELLIGENCE

CVE-2021-21682

CVSS score4.3 MEDIUM

EPSS probability1.00%

CISA KEVNot currently listed

Published2021-10-06

Last modified2026-06-17

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

Description

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

Primary references

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