CVE-2021-21607 — Allocation of Resources Without Limits or Throttling in Project Jenkins

CWE-770 — Allocation of Resources Without Limits or Throttling6 documents6 sources
Severity
6.5MEDIUMNVD
EPSS
0.3%
top 43.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Jenkins Project JenkinsJenkins
Timeline
PublishedJan 13
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDjenkins/jenkins2.263.1+1
▶CVEListV5jenkins_project/jenkinsunspecified — 2.274+1

🔴Vulnerability Details

3
OSV
Excessive memory allocation in graph URLs leads to denial of service in Jenkins↗2022-05-24
▶
GHSA
Excessive memory allocation in graph URLs leads to denial of service in Jenkins↗2022-05-24
▶
CVEList
CVE-2021-21607: Jenkins 2↗2021-01-13
▶

📋Vendor Advisories

2
Red Hat
jenkins: Excessive memory allocation in graph URLs leads to denial of service↗2021-01-13
▶
Jenkins
Jenkins Security Advisory 2021-01-13↗2021-01-13
▶
CVE-2021-21607 — Jenkins Project Jenkins vulnerability | cvebase