CVE Vulnerability

CVE-2021-21684

Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2499 Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:jenkins:git:*:*:*:*:*:jenkins:*:*
Information

Published : 2021-10-06 11:15

Updated : 2022-10-25 03:26

NVD link : CVE-2021-21684

Mitre link : CVE-2021-21684

Products Affected
No products.
CWE
CWE-116

Improper Encoding or Escaping of Output