Improper certificate validation in Jenkins Active Directory Jenkins plugin
Priority LOW 37CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295.
Summary
It was found that the Active Directory Plugin for Jenkins up to and including version 2.2 did not verify certificates of the Active Directory server, thereby enabling Man-in-the-Middle attacks.
Why it matters now
EPSS 0.00947 61st percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:active-directory (Maven): 2.3
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 | Active Directory Jenkins plugin | up to 2.2 | — | No fix listed | CNA |
| — | org.jenkins-ci.plugins:active-directory (Maven) | before 2.3 | 2.3 | Patch available | GHSA-vcgj-j8c5-2h52 |
- Active Directory Jenkins plugin VendorJenkins Affected up to 2.2 Fixed in — No fix listed CNA
- org.jenkins-ci.plugins:active-directory (Maven) Vendor— Affected before 2.3 Fixed in 2.3 Patch available GHSA-vcgj-j8c5-2h52
Remediation
- Fix · GHSA-vcgj-j8c5-2h52 org.jenkins-ci.plugins:active-directory (Maven) Fixed in 2.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-2649
- 2026-10-03 Alias added: GHSA-vcgj-j8c5-2h52
References
More Jenkins Active Directory vulnerabilities
- TI-2020-02178 Improper authentication in Jenkins Active Directory Plugin CVSS 3.1CRITICAL 9.8
- 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-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
Sources
- CVE-2017-2649 · CVE Program
- CVE-2017-2649 · NVD
- FIRST EPSS
- GHSA-vcgj-j8c5-2h52 · GitHub Advisory Database · CC BY 4.0
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