Home/CVE/Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a succes
CVE

CVE-2020-2301

Jenkins Active Directory Plugin 2.19 and earlier allows attackers to log in as any user with any password while a succes

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.

CRITICAL · CVSS 9.8 EPSS 0.00181
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
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Affected Products & Versions

1
jenkins active directory<= 2.19
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.jenkins-ci.plugins:active-directory CRITICAL fixed in 2.20
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalActive Directory Replication from Non Machine Account
producthighSuspicious Active Directory Database Snapshot Via ADExplorer
producthighActive Directory User Backdoors
productmediumAzure Active Directory Hybrid Health AD FS New Server
productmediumAzure Active Directory Hybrid Health AD FS Service Delete
productmediumPotential Active Directory Enumeration Using AD Module - PsModule
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Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · jenkinsci-cert@googlegroups.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Nov 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-2123Vendor Advisory
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