CVE-2025-0604: Auth Bypass (CVSS 5.4)

Description

A flaw was found in Keycloak. When an Active Directory user resets their password, the system updates it without performing an LDAP bind to validate the new credentials against AD. This vulnerability allows users whose AD accounts are expired or disabled to regain access in Keycloak, bypassing AD restrictions. The issue enables authentication bypass and could allow unauthorized access under certain conditions.

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CVSS v3.1 Score

5.4

MEDIUM

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

Weakness Type (CWE)

CWE-287 Improper Authentication

References

Other References

https://access.redhat.com/errata/RHSA-2025:2544 https://access.redhat.com/errata/RHSA-2025:2545 https://access.redhat.com/security/cve/CVE-2025-0604 https://bugzilla.redhat.com/show_bug.cgi?id=2338993

Frequently Asked Questions

What is CVE-2025-0604? +

A flaw was found in Keycloak. When an Active Directory user resets their password, the system updates it without performing an LDAP bind to validate the new credentials against AD. This vulnerability allows users whose AD accounts are expired or disabled to regain access in Keycloak, bypassing AD restrictions. The issue enables authentication bypass and could allow unauthorized access under certain conditions. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-0604? +

CVE-2025-0604 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-0604? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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