VULNERABILITY INTELLIGENCE

CVE-2021-21646

CVSS score8.8 HIGH

EPSS probability1.75%

CISA KEVNot currently listed

Published2021-04-21

Last modified2026-06-17

Description

Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.