What is CVE-2022-23527?

CVE-2022-23527 is a medium-severity vulnerability in Zmartzone Mod_auth_openidc, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2022-12-14.

How severe is CVE-2022-23527?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Open Redirect in Zmartzone Mod_auth_openidc

CVE-2022-23527

mod_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 vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existin…

Vulnerability class: Open Redirect

EPSS: 0.005 (67.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

Affected products

Zmartzone Mod_auth_openidc — versions < 2.4.12.2

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

https://github.com/zmartzone/mod_auth_openidc/security/advisories/GHSA-q6f2-285m-gr53 (x_refsource_CONFIRM)
https://github.com/zmartzone/mod_auth_openidc/blob/v2.4.12.1/auth_openidc.conf#L975-L984 (x_refsource_MISC)
lists.debian.org/debian-lts-announce/2023/07/msg00020.html

Frequently asked questions

What is CVE-2022-23527?: CVE-2022-23527 is a medium-severity vulnerability in Zmartzone Mod_auth_openidc, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2022-12-14.
How severe is CVE-2022-23527?: Medium severity. CVSS v3 base score is 4.7 out of 10.