VULNERABILITY INTELLIGENCE
CVE-2023-3597
CVSS score5 MEDIUM
EPSS probability0.60%
CISA KEVNot currently listed
Published2024-04-25
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Description
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.
Weakness classification
- CWE-287: Improper Authentication