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.
Severity
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Atk. Vector
NETWORK
Atk. Complexity
LOW
Priv. Required
LOW
Base Score
CVSS 3.x
EPSS Score
Percentile: 36%
VendorProductVersion
jenkinsjenkins
𝑥
≤ 2.263.1
jenkinsjenkins
𝑥
≤ 2.274
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2025