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TI-2020-02178 Aliases CVE-2020-2301GHSA-954f-xw44-56r2

Improper authentication in Jenkins Active Directory Plugin

Priority MEDIUM 45CWE-287Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.

Summary

Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a successful authentication of that user is still in the optional cache when using Windows/ADSI mode.

Why it matters now

EPSS 0.017 77th percentileScored 2026-11-07
Fix Fixed Jenkins Active Directory Plugin (Jenkins project): 2.16.1org.jenkins-ci.plugins:active-directory (Maven): 2.20, 2.16.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Active Directory Pluginup to 2.192.16.1Patch availableCNA
—org.jenkins-ci.plugins:active-directory (Maven)2.17 to before 2.202.20Patch availableGHSA-954f-xw44-56r2
—org.jenkins-ci.plugins:active-directory (Maven)before 2.16.12.16.1Patch availableGHSA-954f-xw44-56r2
  • Jenkins Active Directory Plugin VendorJenkins Affected up to 2.19 Fixed in 2.16.1 Patch available CNA
  • org.jenkins-ci.plugins:active-directory (Maven) Vendor— Affected 2.17 to before 2.20 Fixed in 2.20 Patch available GHSA-954f-xw44-56r2
  • org.jenkins-ci.plugins:active-directory (Maven) Vendor— Affected before 2.16.1 Fixed in 2.16.1 Patch available GHSA-954f-xw44-56r2

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:*up to 2.19VulnerableJenkins
  • cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:* Versions up to 2.19 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins Active Directory Plugin (Jenkins project) Fixed in 2.16.1
  • Fix · GHSA-954f-xw44-56r2 org.jenkins-ci.plugins:active-directory (Maven) Fixed in 2.20 Advisory →
  • Fix · GHSA-954f-xw44-56r2 org.jenkins-ci.plugins:active-directory (Maven) Fixed in 2.16.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-2301
  2. 2026-10-03 Alias added: GHSA-954f-xw44-56r2

References

Advisory 2

Other 3

  • TI-2020-02177 Improper authentication in Jenkins Active Directory Plugin CVSS 3.1CRITICAL 9.8
  • TI-2020-02176 Improper authentication in Jenkins Active Directory Plugin CVSS 3.1CRITICAL 9.8
  • TI-2017-01899 Improper certificate validation in Jenkins Active Directory Jenkins plugin CVSS 3.0HIGH 8.1
  • TI-2019-15854 Improper certificate validation in Jenkins Active Directory Plugin CVSS 3.0HIGH 7.4
  • TI-2026-36178 Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation. CVSS 3.1MEDIUM 6.6
  • TI-2026-36177 Jenkins Active Directory Plugin 2.41 and earlier follows LDAP referrals by default. CVSS 3.1MEDIUM 6.6
See all 11 →

Sources

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