CVE-2023-3597

MediumCVSS 5.0/10Last 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.

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published: Apr 25, 2024
Last modified: Jun 17, 2026
NVD status: Deferred

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