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.
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311
Source: MITRE
Published: 2021-04-21
Updated: 2021-04-26
Type: CWE-693
Base Score: 6.5
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8
Severity: MEDIUM
Base Score: 8.8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.8
Severity: HIGH