CVE-2021-21701: Jenkins Performance

Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Jenkins Performance Plugin 3.20 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Affected products

• Jenkins Performance: up to and including 3.20

Published 2021-11-12. Last modified 2026-06-17.