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TI-2021-04763 Aliases CVE-2021-21683GHSA-4pw5-r58h-fv24

Path traversal in Jenkins

Priority LOW 33CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

Why it matters now

EPSS 0.02173 82nd percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.main:jenkins-core (Maven): 2.303.2, 2.315

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkinsup to 2.314; up to LTS 2.303.1—No fix listedCNA
—org.jenkins-ci.main:jenkins-core (Maven)before 2.303.22.303.2Patch availableGHSA-4pw5-r58h-fv24
—org.jenkins-ci.main:jenkins-core (Maven)2.304 to before 2.3152.315Patch availableGHSA-4pw5-r58h-fv24
  • 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 before 2.303.2 Fixed in 2.303.2 Patch available GHSA-4pw5-r58h-fv24
  • org.jenkins-ci.main:jenkins-core (Maven) Vendor— Affected 2.304 to before 2.315 Fixed in 2.315 Patch available GHSA-4pw5-r58h-fv24

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*up to 2.303.1VulnerableJenkins
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*up to 2.314VulnerableJenkins
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • 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-4pw5-r58h-fv24 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.303.2 Advisory →
  • Fix · GHSA-4pw5-r58h-fv24 org.jenkins-ci.main:jenkins-core (Maven) Fixed in 2.315 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21683
  2. 2026-10-03 Alias added: GHSA-4pw5-r58h-fv24

References

Advisory 3

Other 2

  • 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