Home/CVE/mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Co
CVE

CVE-2021-32792

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Co

mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. In mod_auth_openidc before version 2.4.9, there is an XSS vulnerability in when using OIDCPreservePost On.

LOW · CVSS 3.1 EPSS 0.0025
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
openidc mod auth openidc< 2.4.9
fedoraproject fedoraall versions
▣

Scoring & Timeline

3.1
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jul 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

8
suse-csafSUSE-SU-2025:4532-1
msrcCVE-2021-32792
suse-csafSUSE-SU-2021:3352-1
suse-csafopenSUSE-SU-2021:1277-1
suse-csafopenSUSE-SU-2021:3020-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/zmartzone/mod_auth_openidc/commit/00c315cb0c8ab77c67be4a2ac08a71a83ac58751PatchThird Party Advisory
https://github.com/zmartzone/mod_auth_openidc/commit/55ea0a085290cd2c8cdfdd960a230cbc38ba8b56PatchThird Party Advisory
https://github.com/zmartzone/mod_auth_openidc/releases/tag/v2.4.9Release NotesThird Party Advisory
https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-458c-7pwg-3j7jPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FZVF6BSJLRQZ7PFFR4X5JSU6KUJYNOCU/
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