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Fencer Vulns
medium 5.8

CVE-2019-14857 json

A flaw was found in mod_auth_openidc before version 2.4.0.1.

published 2019-11-26 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5978

cvss
5.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

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.

Patch / fix

  • openidc mod_auth_openidc 2.4.0.1
  • libapache2-mod-auth-openidc Debian 14, Debian 13, Debian 12 2.4.0.3-1

debian advisories DEBIAN-CVE-2019-14857

  • mod_auth_openidc RHEL 7 1.8.8-7.el7
  • cjose RHEL 8 0.6.1-2.module+el8+2454+f890a43a
  • mod_auth_openidc RHEL 8 2.3.7-4.module+el8.2.0+6919+ac02cfd2.3

red hat advisories RHSA-2020:3970RHSA-2020:3032

  • apache2-mod_auth_openidc SLE Module for Server Applications 15 SP7, SLE Module for Server Applications 15 SP6, openSUSE Leap 15.6 2.4.17.1-150600.16.14.1
  • apache2-mod_auth_openidc SLES for SAP 12 SP4, SLES 12 SP4 2.4.0-3.7.1
  • apache2-mod_auth_openidc SLE Module for Server Applications 15 SP1 2.3.8-3.3.1

suse advisories SUSE-SU-2025:4532-1SUSE-SU-2019:2935-1SUSE-SU-2019:2934-1

  • apache2-mod_auth_openidc openSUSE Tumbleweed 2.4.9.4-1.2
  • apache2-mod_auth_openidc openSUSE Leap 15.1 2.3.8-lp151.2.3.1

opensuse advisories openSUSE-SU-2024:10624-1openSUSE-SU-2019:2499-1

  • cjose AlmaLinux 8 0.6.1-2.module_el8.6.0+2868+44838709

almalinux advisories ALSA-2020:3032

  • cjose Rocky Linux 8 0.6.1-2.module+el8.3.0+129+2feafa46

rocky linux advisories RLSA-2020:3032

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14857 updated cvss 5.8

mod_auth_openidc: Open redirect in logout url when using URLs with leading slashes

  • Red Hat Enterprise Linux AppStream (v. 8) cjose 0.6.1-2.module+el8+2454+f890a43a, mod_auth_openidc 2.3.7-4.module+el8.2.0+6919+ac02cfd2.3
    fixed: vendor fix RHSA-2020:3032
  • Red Hat Enterprise Linux Server (v. 7) mod_auth_openidc 1.8.8-7.el7 Red Hat Enterprise Linux Workstation (v. 7) mod_auth_openidc 1.8.8-7.el7
    fixed: vendor fix RHSA-2020:3970

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.60% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 5.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

  • [UNKNOWN] mod_auth_openidc

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.