CVE-2021-21682: Jenkins

Medium severity, CVSS 4.3. EPSS: 1% chance of exploitation in the next 30 days.

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.

Affected products

• Jenkins Jenkins: up to and including 2.303.1; up to and including 2.314

Published 2021-10-06. Last modified 2026-06-17.