AUGUST 4, 2026
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Case File

CVE-2021-21646

HIGH · CVSS 8.8 EPSS 1.75%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-21 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. It affects Jenkins.

CVE
CVE-2021-21646
Severity
HIGH
CVSS
8.8
EPSS
1.75%
Jenkins

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)