Improper Authentication in Keycloak - CVE-2024-10039

 

Improper Authentication in Keycloak - CVE-2024-10039

Published: November 25, 2024


Vulnerability identifier: #VU100910
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-10039
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the authentication process in the Keycloak deployments with a reverse proxy not using pass-through termination of TLS and with enabled mTLS. A remote attacker can authenticate as any user or client that leverages mTLS as the authentication mechanism.


Affected software

Keycloak
Red Hat build of Keycloak

How to mitigate CVE-2024-10039

Install updates from vendor's website.

Keycloak - update to 26.0.6
Red Hat build of Keycloak - addressed in versions 24.0.9, 26.0.6

External References

Related Security Bulletins