CVEvulnerability

CVE-2023-2422

7.1 HIGH Published 2023-10-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-10-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
CVSS 3.1 ([email protected])
7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weaknesses
CWE-295

Description

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.

Affected configurations

• redhat keycloak • redhat openshift container platform 4.9 • redhat openshift container platform 4.10 • redhat openshift container platform 4.11 • redhat openshift container platform 4.12 • redhat single sign-on 7.6

Related

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

References