CVE-2021-21607

At a glance

Severity: Not available
EPSS: EPSS 1.46 % · percentile 73 (2026-10-27)
State: PUBLISHED
Published: 2021-01-13
Updated: 2024-08-03
Assigner: jenkins
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.0	AV:N/AC:L/Au:S/C:N/I:N/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-770

Advisories

GHSA-cxqw-vjcr-gp5g — Excessive memory allocation in graph URLs leads to denial of service in Jenkins

European references

ENISA EUVD · EUVD-2022-3663
GCVE · GCVE-0-2021-21607

Affected configurations (NVD CPE)

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* ≤ 2.263.1
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* ≤ 2.274

Affected products

Product	Versions
Jenkins project · Jenkins	affected unspecified ≤ 2.274 ; affected unspecified ≤ LTS 2.263.1

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD