A flaw was found in mod_auth_openidc before version 2.4.1. An open redirect issue exists in URLs with a slash and backslash at the beginning.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGXONXPWTX7DV62TIUIUVOZF4KQ6SIJE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27XJYAEONKJDESNE7WVZF5D2Z2OBY5JK/
https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html
https://lists.debian.org/debian-lts-announce/2020/02/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00036.html
https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html
https://github.com/zmartzone/mod_auth_openidc/pull/453
https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7
Source: Mitre, NVD
Published: 2020-02-20
Updated: 2023-11-07
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00515