What is CVE-2020-2309?

CVE-2020-2309 is a medium-severity vulnerability in Jenkins Kubernetes. CVSS score: 4.3/10. Published 2020-11-04.

How severe is CVE-2020-2309?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Jenkins Kubernetes

CVE-2020-2309

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.

Published 2020-11-04 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Jenkins Kubernetes
Jenkins Project Kubernetes Plugin — versions unspecified, 1.26.5, 1.25.4.1

References

www.jenkins.io/security/advisory/2020-11-04/ (Vendor Advisory)

Frequently asked questions

What is CVE-2020-2309?: CVE-2020-2309 is a medium-severity vulnerability in Jenkins Kubernetes. CVSS score: 4.3/10. Published 2020-11-04.
How severe is CVE-2020-2309?: Medium severity. CVSS v3 base score is 4.3 out of 10.