CVE-2024-3656

HIGH 8.1

Keycloak: unguarded admin rest api endpoints allows low privilege users to use administrative functionalities

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

A flaw was found in Keycloak. Certain endpoints in Keycloak's admin REST API allow low-privilege users to access administrative functionalities. This flaw allows users to perform actions reserved for administrators, potentially leading to data breaches or system compromise.

CWE	CWE-200
Published	Oct 9, 2024
Last Updated	Nov 20, 2025

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Red Hat / Red Hat Build of Keycloak

All versions affected

Red Hat / Red Hat Single Sign-On 7

All versions affected

Red Hat / Red Hat Build of Keycloak

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8

All versions affected

Red Hat / Red Hat Single Sign-On 7

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/errata/RHSA-2024:3572 access.redhat.com: https://access.redhat.com/errata/RHSA-2024:3575 access.redhat.com: https://access.redhat.com/security/cve/CVE-2024-3656 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2274403 github.com: https://github.com/advisories/GHSA-2cww-fgmg-4jqc security.humanativaspa.it: https://security.humanativaspa.it/an-analysis-of-the-keycloak-authentication-system/ news.ycombinator.com: https://news.ycombinator.com/item?id=42136000 github.com: https://github.com/hnsecurity/vulns/blob/main/HNS-2024-08-Keycloak.md

Credits

Red Hat would like to thank Maurizio Agazzini for reporting this issue. Upstream acknowledges the Keycloak project as the original reporter.