What’s Vulnerable › Vulnerabilities

CVE-2017-6413

• Severity: high (CVSS 8.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-02 · updated 2026-06-17
• Weakness: CWE-287

Description

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: through 2.1.5

References

• http://www.securityfocus.com/bid/96549
• https://access.redhat.com/errata/RHSA-2019:2112
• https://github.com/pingidentity/mod_auth_openidc/blob/master/ChangeLog
• https://github.com/pingidentity/mod_auth_openidc/commit/21e3728a825c41ab41efa75e664108051bb9665e
• https://github.com/pingidentity/mod_auth_openidc/releases/tag/v2.1.6
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2V3HIGXMUKJGOBMAQAQPGC7G5YYWSUVA/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EJXBG3DG2FUYFGTUTSJFMPIINVFKKB4Z/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTWUMQ46GZY3O4WU4JCF333LN53R2XQH/
• http://www.securityfocus.com/bid/96549
• https://access.redhat.com/errata/RHSA-2019:2112
• https://github.com/pingidentity/mod_auth_openidc/blob/master/ChangeLog
• https://github.com/pingidentity/mod_auth_openidc/commit/21e3728a825c41ab41efa75e664108051bb9665e

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