Security readout for executives and security teams
Plain-English summary
Jenkins Active Directory Plugin 2.19 and earlier let any Jenkins user with basic Overall/Read access view the domain health check diagnostic page. This is an unauthorized access issue to diagnostic information, not evidence of direct code execution or system takeover in the provided sources.
Executive priority
Treat this as a moderate-priority Jenkins hardening issue. It can expose directory diagnostic information to low-privileged authenticated users, but the provided evidence does not indicate unauthenticated access, direct compromise, or active exploitation.
Technical view
CVE-2020-2302 is a missing permission check in Jenkins Active Directory Plugin. The vulnerable control allowed users with Overall/Read permission to access the domain health check diagnostic page, which should have been restricted. The provided sources do not include CVSS details, CWE mapping, or exploit mechanics.
Likely exposure
Exposure is most likely in Jenkins environments using Active Directory Plugin 2.19 or earlier, especially where many authenticated users have Overall/Read access.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires authenticated Jenkins access with Overall/Read permission, based on the CVE description.
Researcher notes
The public bundle is sparse: affected plugin versions and the missing permission check are clear, but impact details, fixed version, CVSS, CWE, and exploitation history are not included. Avoid assuming broader Active Directory compromise from this record alone.
Mitigation direction
- Identify Jenkins instances using Active Directory Plugin 2.19 or earlier.
- Review the Jenkins advisory for the vendor-fixed plugin version.
- Upgrade the plugin according to Jenkins guidance if affected.
- Restrict Jenkins Overall/Read access to trusted users only.
- Review diagnostic page access permissions after remediation.
Validation and detection
- Inventory installed Jenkins Active Directory Plugin versions.
- Confirm whether any instance runs version 2.19 or earlier.
- Review Jenkins user and group assignments for Overall/Read permission.
- Test that low-privileged users cannot access the diagnostic page.
- Check Jenkins logs for unusual diagnostic page access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-2302 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.jenkins.io/security/advisory/2020-11-04/#SECURITY-1999CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.