Missing authorization in Jenkins Kubernetes Plugin
Priority LOW 22CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-862.
Summary
A missing/An incorrect permission check in Jenkins Kubernetes Plugin 1.27.3 and earlier allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.
Why it matters now
EPSS 0.00987 62nd percentileScored 2026-11-07
Fix Fixed Jenkins Kubernetes Plugin (Jenkins project): 1.26.5, 1.25.4.1, 1.21.6org.csanchez.jenkins.plugins:kubernetes (Maven): 1.27.4, 1.26.5, 1.25.4.1 +1Red Hat: 3 advisories
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 | Jenkins Kubernetes Plugin | up to 1.27.3 | 1.26.5, 1.25.4.1, 1.21.6 | Patch available | CNA |
| — | org.csanchez.jenkins.plugins:kubernetes (Maven) | 1.27.0 to before 1.27.4 | 1.27.4 | Patch available | GHSA-g2r3-4g8q-h5rj |
| — | org.csanchez.jenkins.plugins:kubernetes (Maven) | 1.26.0 to before 1.26.5 | 1.26.5 | Patch available | GHSA-g2r3-4g8q-h5rj |
| — | org.csanchez.jenkins.plugins:kubernetes (Maven) | 1.22.0 to before 1.25.4.1 | 1.25.4.1 | Patch available | GHSA-g2r3-4g8q-h5rj |
| — | org.csanchez.jenkins.plugins:kubernetes (Maven) | before 1.21.6 | 1.21.6 | Patch available | GHSA-g2r3-4g8q-h5rj |
- Jenkins Kubernetes Plugin VendorJenkins Affected up to 1.27.3 Fixed in 1.26.5, 1.25.4.1, 1.21.6 Patch available CNA
- org.csanchez.jenkins.plugins:kubernetes (Maven) Vendor— Affected 1.27.0 to before 1.27.4 Fixed in 1.27.4 Patch available GHSA-g2r3-4g8q-h5rj
- org.csanchez.jenkins.plugins:kubernetes (Maven) Vendor— Affected 1.26.0 to before 1.26.5 Fixed in 1.26.5 Patch available GHSA-g2r3-4g8q-h5rj
- org.csanchez.jenkins.plugins:kubernetes (Maven) Vendor— Affected 1.22.0 to before 1.25.4.1 Fixed in 1.25.4.1 Patch available GHSA-g2r3-4g8q-h5rj
- org.csanchez.jenkins.plugins:kubernetes (Maven) Vendor— Affected before 1.21.6 Fixed in 1.21.6 Patch available GHSA-g2r3-4g8q-h5rj
Remediation
- Fix · CNA Jenkins Kubernetes Plugin (Jenkins project) Fixed in 1.26.5, 1.25.4.1, 1.21.6
- Fix · GHSA-g2r3-4g8q-h5rj org.csanchez.jenkins.plugins:kubernetes (Maven) Fixed in 1.27.4 Advisory →
- Fix · GHSA-g2r3-4g8q-h5rj org.csanchez.jenkins.plugins:kubernetes (Maven) Fixed in 1.26.5 Advisory →
- Fix · GHSA-g2r3-4g8q-h5rj org.csanchez.jenkins.plugins:kubernetes (Maven) Fixed in 1.25.4.1 Advisory →
- Fix · GHSA-g2r3-4g8q-h5rj org.csanchez.jenkins.plugins:kubernetes (Maven) Fixed in 1.21.6 Advisory →
Red Hat 3 advisories
- RHSA-2021:0637 Released 2021-03-03 · Red Hat rating ImportantOpenShift Container Platform 3.11.394 bug fix and security update
- Red Hat OpenShift Container Platform 3.11 jenkins-2-plugins-3.11.1612862361-1.el7, jenkins-2.263.3.1612433584-1.el7, python-rsa-4.5-3.el7 +1
- RHSA-2021:0034 Released 2021-01-20 · Red Hat rating ImportantOpenShift Container Platform 4.5.27 packages and security update
- Red Hat OpenShift Container Platform 4.5 jenkins-2-plugins-4.5.1610108899-1.el7, python-urllib3-1.26.2-1.el7, python2-urllib3-1.26.2-1.el7
- RHSA-2021:0038 Released 2021-01-18 · Red Hat rating ImportantOpenShift Container Platform 4.6.12 packages and security update
- Red Hat OpenShift Container Platform 4.6 cri-o-1.19.1-2.rhaos4.6.git2af9ecf.el8, jenkins-2-plugins-4.6.1608634578-1.el7, jenkins-2-plugins-4.6.1609853716-1.el8 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | Fixed | RHSA-2021:0637 |
| Red Hat OpenShift Container Platform 4.5 | Fixed | RHSA-2021:0034 |
| Red Hat OpenShift Container Platform 4.6 | Fixed | RHSA-2021:0038 |
Not affected: 3 products
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4.5
- Red Hat OpenShift Container Platform 4.6
Timeline
- 2026-10-02 Threatist record created from CVE-2020-2309
- 2026-10-03 Alias added: GHSA-g2r3-4g8q-h5rj
References
Advisory 2
More Jenkins Kubernetes vulnerabilities
- TI-2018-16181 An exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin… CVSS 3.0HIGH 8.8
- TI-2023-14348 Cleartext transmission of sensitive information in Jenkins Kubernetes Plugin CVSS 3.1HIGH 7.5
- TI-2018-15836 A exposure of sensitive information vulnerability exists in Jenkins Kubernetes Plugin… CVSS 3.0MEDIUM 6.5
- TI-2021-04741 Missing authorization in Jenkins Kubernetes CLI Plugin CVSS 3.1MEDIUM 4.3
- TI-2020-02185 Missing authorization in Jenkins Kubernetes Plugin CVSS 3.1MEDIUM 4.3
- TI-2020-02184 Information disclosure in Jenkins Kubernetes Plugin CVSS 3.1MEDIUM 4.3
Sources
- CVE-2020-2309 · CVE Program
- CVE-2020-2309 · NVD
- FIRST EPSS
- GHSA-g2r3-4g8q-h5rj · GitHub Advisory Database · CC BY 4.0
- CVE-2020-2309 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences