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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
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
- access.redhat.com/errata/RHSA-2024:1866 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1867 (vendor-advisory)
- access.redhat.com/errata/RHSA-2024:1868 (vendor-advisory)
- access.redhat.com/security/cve/CVE-2023-3597 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (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.