AUGUST 4, 2026
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Case File

CVE-2023-2422

MEDIUM · CVSS 5.5 EPSS 0.52%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-10-04 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.5. See the original NVD description below for full technical details.

CVE
CVE-2023-2422
Severity
MEDIUM
CVSS
5.5
EPSS
0.52%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)