CVE-2023-6544
Published: Apr 25, 2024
Modified: Nov 11, 2025
CVSS v3.1
5.4
Description
A flaw was found in the Keycloak package. This issue occurs due to a permissive regular expression hardcoded for filtering which allows hosts to register a dynamic client. A malicious user with enough information about the environment could jeopardize an environment with this specific Dynamic Client Registration and TrustedDomain configuration previously unauthorized.
| Vendor | Product | Versions |
|---|---|---|
Unknown | org.keycloak:keycloak-services | affected 22.0.0 - < 22.0.10affected 23.0.0 - < 24.0.3 |
Red Hat | Red Hat build of Keycloak 22 | unaffected 22.0.10-1 - < * |
Red Hat | Red Hat build of Keycloak 22 | unaffected 22-13 - < * |
Red Hat | Red Hat build of Keycloak 22 | unaffected 22-16 - < * |
Red Hat | Red Hat build of Keycloak 22.0.10 | All versions |
Red Hat | Red Hat Single Sign-On 7.6 for RHEL 7 | unaffected 0:18.0.13-1.redhat_00001.1.el7sso - < * |
Red Hat | Red Hat Single Sign-On 7.6 for RHEL 8 | unaffected 0:18.0.13-1.redhat_00001.1.el8sso - < * |
Red Hat | Red Hat Single Sign-On 7.6 for RHEL 9 | unaffected 0:18.0.13-1.redhat_00001.1.el9sso - < * |
Red Hat | RHEL-8 based Middleware Containers | unaffected 7.6-46 - < * |
Red Hat | RHSSO 7.6.8 | All versions |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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