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Vulnerability record · CVE-2017-6059 · published 12 April 2017

CVE-2017-6059: Mod auth openidc improper input validation vulnerability

Openidc · Mod Auth Openidc

Mod_auth_openidc.c in the Ping Identity OpenID Connect authentication module for Apache (aka mod_auth_openidc) before 2.14 allows remote attackers to spoof page content via a malicious URL provided to the user, which triggers an invalid request.

7.5 CVSS 3.1 High EPSS 5.2% · top 7.8% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 5.0
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

Description

Mod_auth_openidc.c in the Ping Identity OpenID Connect authentication module for Apache (aka mod_auth_openidc) before 2.14 allows remote attackers to spoof page content via a malicious URL provided to the user, which triggers an invalid request.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2017/02/17/6 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96299 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2112 Third Party Advisory
https://github.com/pingidentity/mod_auth_openidc/commit/612e309bfffd6f9b8ad7cdccda3019fc0865f3b4 PatchThird Party Advisory
https://github.com/pingidentity/mod_auth_openidc/issues/212 Issue TrackingPatchThird Party Advisory
https://github.com/pingidentity/mod_auth_openidc/releases/tag/v2.1.4 PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2V3HIGXMUKJGOBMAQAQPGC7
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EJXBG3DG2FUYFGTUTSJFMPI
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTWUMQ46GZY3O4WU4JCF333
http://www.openwall.com/lists/oss-security/2017/02/17/6 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96299 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2019:2112 Third Party Advisory
https://github.com/pingidentity/mod_auth_openidc/commit/612e309bfffd6f9b8ad7cdccda3019fc0865f3b4 PatchThird Party Advisory
https://github.com/pingidentity/mod_auth_openidc/issues/212 Issue TrackingPatchThird Party Advisory
https://github.com/pingidentity/mod_auth_openidc/releases/tag/v2.1.4 PatchRelease NotesThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2V3HIGXMUKJGOBMAQAQPGC7
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EJXBG3DG2FUYFGTUTSJFMPI
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTWUMQ46GZY3O4WU4JCF333

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.6CVE-2017-6413Mod auth openidc improper authentication vulnerabilityThe "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 …EPSS 4.3%8.6CVE-2017-6062Mod auth openidc improper authentication vulnerabilityThe "OpenID Connect Relying Party and OAuth 2.0 Resource Server" (aka mod_auth_openidc) module before 2.1.5 for the Apache HTTP Server does not skip …EPSS 3.6%7.5CVE-2024-24814Mod auth openidc uncontrolled resource consumption vulnerabilitymod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Re…EPSS 1.3%7.5CVE-2023-28625Mod auth openidc null pointer dereference vulnerabilitymod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functi…EPSS 1.3%7.5CVE-2021-32785Mod auth openidc vulnerabilitymod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenti…EPSS 2.7%7.5CVE-2021-20718Mod auth openidc uncontrolled resource consumption vulnerabilitymod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.EPSS 3.4%6.1CVE-2022-23527Mod auth openidc open redirect vulnerabilitymod_auth_openidc is an OpenID Certified™ authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulne…EPSS 0.91%6.1CVE-2021-39191Mod auth openidc open redirect vulnerabilitymod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenti…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2017-6059), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.