cbcvebase.
CVE-2025-66200
published 2025-12-05

CVE-2025-66200: mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can…

medium5.4CVSS 3.1
AVNACLPRLUINSUCNILAL
mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an unexpected userid. This issue affects Apache HTTP Server: from 2.4.7 through 2.4.65. Users are recommended to upgrade to version 2.4.66, which fixes the issue.

Affected

7 ranges
VendorProductVersion rangeFixed in
apachehttp_server>= 2.4.7 < 2.4.662.4.66
apachehttpd
apache_software_foundationapache_http_server2.4.7 – 2.4.65
debianapache2< apache2 2.4.66-1~deb12u1 (bookworm)apache2 2.4.66-1~deb12u1 (bookworm)
msrcazl3_httpd_2.4.65-1_on_azure_linux_3.0
msrccbl2_httpd_2.4.65-1_on_cbl_mariner_2.0
ubuntuapache2

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
osv7.5HIGH