CVE-2020-2161 Information

Description

Jenkins 2.227 and earlier LTS 2.204.5 and earlier does not properly escape node labels that are shown in the form validation for label expressions on job configuration pages resulting in a stored XSS vulnerability exploitable by users able to define node labels.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2020/03/25/2 https://jenkins.io/security/advisory/2020-03-25/SECURITY-1781

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4