What is CVE-2023-24456?

CVE-2023-24456 is a critical-severity vulnerability in Jenkins Keycloak Authentication, classified under Session Fixation. CVSS score: 9.8/10. Published 2023-01-26.

How severe is CVE-2023-24456?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jenkins Keycloak Authentication

CVE-2023-24456

Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.

EPSS: 0.012 (65.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Keycloak_authentication
Jenkins Project Keycloak Authentication Plugin — versions unspecified, next of 2.3.0

Weakness classification (CWE)

CWE-384 — Session Fixation

References

jenkinsci-cert@googlegroups.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-24456?: CVE-2023-24456 is a critical-severity vulnerability in Jenkins Keycloak Authentication, classified under Session Fixation. CVSS score: 9.8/10. Published 2023-01-26.
How severe is CVE-2023-24456?: Critical severity. CVSS v3 base score is 9.8 out of 10.