Security readout for executives and security teams
Plain-English summary
This Jenkins Kubernetes Plugin issue lets any user who can read Jenkins enumerate stored credential IDs. The sources do not show password or secret disclosure, but credential IDs can help an attacker map secrets and prepare follow-on attacks against Jenkins automation.
Executive priority
Treat this as a moderate-priority Jenkins hardening item. It is not documented as actively exploited, but it can expose credential metadata in CI/CD infrastructure, increasing the risk of later compromise.
Technical view
CVE-2020-2309 is a missing or incorrect permission check in Jenkins Kubernetes Plugin 1.27.3 and earlier. Users with Overall/Read permission can enumerate Jenkins credential IDs through affected plugin functionality. No CVSS, CWE, or exploit details are provided in the source bundle.
Likely exposure
Exposure is limited to Jenkins environments using Kubernetes Plugin 1.27.3 or earlier where untrusted or broad user populations have Overall/Read permission.
Exploitation context
The bundle does not indicate active exploitation, public exploit code, or CISA KEV listing. The impact is information exposure that may support credential targeting rather than direct credential value theft.
Researcher notes
The source bundle confirms affected versions and permission scope but lacks CVSS, CWE, endpoint details, and exact fixed-version text. Avoid assuming secret value disclosure; the described exposure is credential ID enumeration.
Mitigation direction
- Identify Jenkins instances using Kubernetes Plugin 1.27.3 or earlier.
- Review the Jenkins advisory and upgrade to a non-affected plugin release.
- Restrict Overall/Read permission to trusted Jenkins users only.
- Review credential usage and remove unnecessary stored credentials.
- Monitor Jenkins access logs for unexpected credential enumeration activity.
Validation and detection
- Inventory installed Jenkins Kubernetes Plugin versions across all controllers.
- Confirm whether any users with Overall/Read are untrusted or unnecessary.
- Check Jenkins role and permission assignments for excessive read access.
- Review credential store entries for exposed IDs and sensitive naming patterns.
- Validate remediation against the Jenkins advisory after updating.
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.
Container behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-2309 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-2103CVE 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.