CVE-2023-3597

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CVSS 3.1

5.0 medium

EPSS

<1%p47

Published

Apr 25, 2024 (Apr 25, 2024)

Modified

Jun 17, 2026

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: CWE-287
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.6%)

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