It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.
{ "nvd_published_at": "2018-08-01T17:29:00Z", "severity": "MODERATE", "github_reviewed_at": "2023-07-21T21:34:55Z", "github_reviewed": true, "cwe_ids": [ "CWE-295" ] }