CVE-2021-21607

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not limit sizes provided as query parameters to graph-rendering URLs, allowing attackers to request crafted URLs that use all available memory in Jenkins, potentially leading to out of memory errors.

Published: Jan 13, 2021
Updated: Oct 26, 2023
CVE: CVE-2021-21607
GHSA: GHSA-cxqw-vjcr-gp5g
Severity: Medium
Exploit:

CVSS v3:

Severity: Medium
Score: 6.5
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

Severity: Low
Score: 4
AV:N/AC:L/Au:S/C:N/I:N/A:P

CWEs:

CWE-770

Affected Software
References

Software	From	Fixed in
jenkins / jenkins	-	2.274.x
jenkins / jenkins	-	2.263.1.x
org.jenkins-ci.main / jenkins-core	-	2.263.2
org.jenkins-ci.main / jenkins-core	2.264	2.275

https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025

Vulnerability Database

289,599

CVE-2021-21607