CVE-2017-6413: Openidc Mod Auth Openidc

High severity, CVSS 8.6. EPSS: 4.3% chance of exploitation in the next 30 days.

The "OpenID Connect Relying Party and OAuth 2.0 Resource Server" (aka mod_auth_openidc) module before 2.1.6 for the Apache HTTP Server does not skip OIDC_CLAIM_ and OIDCAuthNHeader headers in an "AuthType oauth20" configuration, which allows remote attackers to bypass authentication via crafted HTTP traffic.

Affected products

• Openidc Mod Auth Openidc: up to and including 2.1.5

Published 2017-03-02. Last modified 2026-06-17.