CVE-2021-21604

Published: Jan 13, 2021Modified: Jun 17, 2026

8.0

Vector

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

Exploitability: 2.1 / Impact: 5.9

Source: NVD

Description

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

Affected (2)

Products: Jenkins: Jenkins

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Jenkins Jenkins	Up to 2.274
Jenkins Jenkins	Up to 2.263.1

Related CWEs

Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

References (2)

https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923

Source: jenkinsci-cert@googlegroups.com

Vendor Advisory

https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-1923

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.