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TI-2021-04741 Aliases CVE-2021-21661GHSA-xrg9-wwrq-xmx9

Missing authorization in Jenkins Kubernetes CLI Plugin

Priority LOW 23CWE-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 and GitHub. Impact type from CWE-862.

Summary

Jenkins Kubernetes CLI Plugin 1.10.0 and earlier does not perform permission checks in several HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

Why it matters now

EPSS 0.0164 76th percentileScored 2026-11-07
Fix Fixed org.jenkins-ci.plugins:kubernetes-cli (Maven): 1.10.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Kubernetes CLI Pluginup to 1.10.0—No fix listedCNA
—org.jenkins-ci.plugins:kubernetes-cli (Maven)before 1.10.11.10.1Patch availableGHSA-xrg9-wwrq-xmx9
  • Jenkins Kubernetes CLI Plugin VendorJenkins Affected up to 1.10.0 Fixed in — No fix listed CNA
  • org.jenkins-ci.plugins:kubernetes-cli (Maven) Vendor— Affected before 1.10.1 Fixed in 1.10.1 Patch available GHSA-xrg9-wwrq-xmx9

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:kubernetes:*:*:*:*:*:jenkins:*:*up to 1.10.0VulnerableJenkins
  • cpe:2.3:a:jenkins:kubernetes:*:*:*:*:*:jenkins:*:* Versions up to 1.10.0 Vulnerable ·Jenkins

Remediation

  • Fix · GHSA-xrg9-wwrq-xmx9 org.jenkins-ci.plugins:kubernetes-cli (Maven) Fixed in 1.10.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21661
  2. 2026-10-03 Alias added: GHSA-xrg9-wwrq-xmx9

References

Advisory 3

  • 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-2020-02186 Missing authorization in Jenkins Kubernetes 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences