What is CVE-2023-37946?

CVE-2023-37946 is a high-severity vulnerability in Jenkins Openshift Login, classified under Session Fixation. CVSS score: 8.8/10. Published 2023-07-12.

How severe is CVE-2023-37946?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Jenkins Openshift Login

CVE-2023-37946

Jenkins OpenShift Login Plugin 1.1.0.227.v27e08dfb_1a_20 and earlier does not invalidate the previous session on login.

Published 2023-07-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Jenkins Openshift Login
Jenkins Project Openshift Login Plugin — versions 0

Weakness classification (CWE)

CWE-384 — Session Fixation

References

www.jenkins.io/security/advisory/2023-07-12/ (vendor-advisory, Vendor Advisory)
www.openwall.com/lists/oss-security/2023/07/12/2 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-37946?: CVE-2023-37946 is a high-severity vulnerability in Jenkins Openshift Login, classified under Session Fixation. CVSS score: 8.8/10. Published 2023-07-12.
How severe is CVE-2023-37946?: High severity. CVSS v3 base score is 8.8 out of 10.