CVE-2021-21646 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2311 http://www.openwall.com/lists/oss-security/2021/04/21/2

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8