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.
Published: 2024-04-25
Score: 5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2024-1090 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.
Github GHSA Github GHSA GHSA-4f53-xh3v-g8x4 Keycloak secondary factor bypass in step-up authentication
History

Thu, 21 Nov 2024 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 08 Aug 2024 06:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:red_hat_single_sign_on:7

Wed, 07 Aug 2024 10:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:red_hat_single_sign_on:7.6
References

Subscriptions

Redhat Build Keycloak Red Hat Single Sign On
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2025-11-11T15:57:27.827Z

Reserved: 2023-07-10T17:01:10.485Z

Link: CVE-2023-3597

cve-icon Vulnrichment

Updated: 2024-08-02T07:01:56.985Z

cve-icon NVD

Status : Deferred

Published: 2024-04-25T13:15:50.523

Modified: 2026-04-15T00:35:42.020

Link: CVE-2023-3597

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-04-15T00:00:00Z

Links: CVE-2023-3597 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses