What’s Vulnerable › Vulnerabilities

CVE-2019-14857

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-26 · updated 2026-06-17
• Weakness: CWE-601

Description

A flaw was found in mod_auth_openidc before version 2.4.0.1. An open redirect issue exists in URLs with trailing slashes similar to CVE-2019-3877 in mod_auth_mellon.

Affected products

• OpenIDC mod_auth_openidc: before 2.4.0.1 — fixed in 2.4.0.1

How to fix

Upgrade to a fixed version: OpenIDC mod_auth_openidc 2.4.0.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14857
• https://github.com/zmartzone/mod_auth_openidc/commit/5c15dfb08106c2451c2c44ce7ace6813c216ba75
• https://github.com/zmartzone/mod_auth_openidc/commit/ce37080c6aea30aabae8b4a9b4eea7808445cc8e
• https://github.com/zmartzone/mod_auth_openidc/pull/451
• https://groups.google.com/forum/#%21topic/mod_auth_openidc/boy1Ba3Gdk4
• https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14857
• https://github.com/zmartzone/mod_auth_openidc/commit/5c15dfb08106c2451c2c44ce7ace6813c216ba75
• https://github.com/zmartzone/mod_auth_openidc/commit/ce37080c6aea30aabae8b4a9b4eea7808445cc8e
• https://github.com/zmartzone/mod_auth_openidc/pull/451
• https://groups.google.com/forum/#%21topic/mod_auth_openidc/boy1Ba3Gdk4
• https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html

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