CVE-2023-3597

A flaw was found in Keycloak, where it does not correctly validate its client step-up authentication in org.keycloak.authentication. This flaw allows a remote user authenticated with a password to register a false second authentication factor along with an existing one and bypass authentication.

Score

CVSS 3.1 5.0 Medium

Status

Deferred - secalert@redhat.com

Published

2024-04-25

Last modified

2025-11-11

Weaknesses

CWE-287

Affected products

• Build Keycloak (Redhat)
• Red Hat Single Sign On (Redhat)

References

• https://access.redhat.com/errata/RHSA-2024:1866
• https://access.redhat.com/errata/RHSA-2024:1867
• https://access.redhat.com/errata/RHSA-2024:1868
• https://access.redhat.com/security/cve/CVE-2023-3597
• https://bugzilla.redhat.com/show_bug.cgi?id=2221760