Vulnerability in Jenkins Kubernetes
CVE-2021-21661
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.
EPSS: 0.016 (73.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Jenkins Kubernetes
- Jenkins Project Kubernetes Cli Plugin — versions unspecified
Public proof-of-concept exploits
References
- jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
- jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21661?
- CVE-2021-21661 is a medium-severity vulnerability in Jenkins Kubernetes. CVSS score: 4.3/10. Published 2021-06-10.
- How severe is CVE-2021-21661?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-21661 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.