TI-2021-04762 Aliases CVE-2021-21682 GHSA-6q4g-84f3-mw74

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other…

LOW 22CWE-42Published 2021-10-06 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

Why it matters now

EPSS 0.00999 62nd percentileScored 2026-11-07

Fix Fixed org.jenkins-ci.main:jenkins-core (Maven): 2.315, 2.303.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins	up to 2.314; up to LTS 2.303.1	—	No fix listed	CNA
—	org.jenkins-ci.main:jenkins-core (Maven)	2.304 to before 2.315	2.315	Patch available	GHSA-6q4g-84f3-mw74
—	org.jenkins-ci.main:jenkins-core (Maven)	before 2.303.2	2.303.2	Patch available	GHSA-6q4g-84f3-mw74

Jenkins VendorJenkins Affected up to 2.314; up to LTS 2.303.1 Fixed in — No fix listed CNA
org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.304 to before 2.315 Fixed in 2.315 Patch available GHSA-6q4g-84f3-mw74
org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected before 2.303.2 Fixed in 2.303.2 Patch available GHSA-6q4g-84f3-mw74

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:jenkins:::::lts:::*	up to 2.303.1	Vulnerable	Jenkins
cpe:2.3:a:jenkins:jenkins:::::-:::*	up to 2.314	Vulnerable	Jenkins
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* Versions up to 2.303.1 Vulnerable ·Jenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* Versions up to 2.314 Vulnerable ·Jenkins
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · GHSA-6q4g-84f3-mw74 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.315 Advisory →
Fix · GHSA-6q4g-84f3-mw74 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.303.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2021-21682
2026-10-03 Alias added: GHSA-6q4g-84f3-mw74

References

Advisory 3

Other 1

https://github.com/jenkinsci/jenkins/commit/c2c2b59071265aea07f88d5e95297c0a433921c3

TI-2024-15885 Path traversal in Jenkins KEVCVSS 3.1CRITICAL 9.8
TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
TI-2017-14573 Jenkins versions 2.56 and earlier as well as 2.46.1 LTS and earlier are vulnerable to an… KEVCVSS 3.1CRITICAL 9.8
TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
TI-2015-04472 The Fingerprints pages in Jenkins before 1.638 and LTS before 1.625.2 might allow remote… KEVCVSS 3.1HIGH 7.5
TI-2016-07596 The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers… CVSS 3.0CRITICAL 9.8

See all 293 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences