What is CVE-2020-2191?

CVE-2020-2191 is a medium-severity vulnerability in Jenkins Self-Organizing Swarm Modules, classified under Incorrect Default Permissions. CVSS score: 4.3/10. Published 2020-06-03.

How severe is CVE-2020-2191?

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

Vulnerability in Jenkins Self-Organizing Swarm Modules

CVE-2020-2191

Jenkins Self-Organizing Swarm Plug-in Modules Plugin 3.20 and earlier does not check permissions on API endpoints that allow adding and removing agent labels.

Published 2020-06-03 · 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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.6th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Jenkins Self-Organizing Swarm Modules
Jenkins Project Self-Organizing Swarm Plug-In Modules Plugin — versions unspecified

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

jenkins.io/security/advisory/2020-06-03/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2020/06/03/3 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2191?: CVE-2020-2191 is a medium-severity vulnerability in Jenkins Self-Organizing Swarm Modules, classified under Incorrect Default Permissions. CVSS score: 4.3/10. Published 2020-06-03.
How severe is CVE-2020-2191?: Medium severity. CVSS v3 base score is 4.3 out of 10.