Auth bypass in Red Hat Build Of Keycloak 22
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.
Vulnerability class: Broken Authentication
EPSS: 0.006 (45.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Red Hat Build Of Keycloak 22 — versions 22.0.10-1, 22-13, 22-16
- Red Hat Build Of Keycloak 22.0.10
- Red Hat Rhsso 7.6.8
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
Frequently asked questions
- What is CVE-2023-3597?
- CVE-2023-3597 is a medium-severity vulnerability in Red Hat Build Of Keycloak 22, classified under Improper Authentication. CVSS score: 5.0/10. Published 2024-04-25.
- How severe is CVE-2023-3597?
- Medium severity. CVSS v3 base score is 5.0 out of 10.