CVE-2025-66200

EUVD-2025-201403
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 12%
Affected Products (NVD)
VendorProductVersion
apachehttp_server
2.4.7 ≤
𝑥
< 2.4.66
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bookworm
2.4.67-1~deb12u2
fixed
bookworm (security)
2.4.67-1~deb12u2
fixed
bullseye
vulnerable
bullseye (security)
2.4.67-1~deb11u1
fixed
forky
2.4.67-1
fixed
sid
2.4.67-1
fixed
trixie
2.4.67-1~deb13u2
fixed
trixie (security)
2.4.67-1~deb13u2
fixed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
apache2
suse enterprise desktop 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.5.41.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.4.9.1
fixed
apache2-devel
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.5.41.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.4.9.1
fixed
apache2-doc
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.51-150400.6.52.1
fixed
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP7
2.4.51-150400.6.52.1
fixed
apache2-example-pages
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-prefork
suse enterprise desktop 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.5.41.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.4.9.1
fixed
apache2-tls13
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-devel
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-doc
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-example-pages
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-prefork
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-utils
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-tls13-worker
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
apache2-utils
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.5.41.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.4.9.1
fixed
apache2-worker
suse enterprise sap 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise sap 15 SP7
2.4.62-150700.4.9.1
fixed
suse enterprise server 12 SP3
2.4.51-29.128.1
fixed
suse enterprise server 12 SP5
2.4.51-35.75.1
fixed
suse enterprise server 15 SP4
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP5
2.4.51-150400.6.52.1
fixed
suse enterprise server 15 SP6
2.4.58-150600.5.41.1
fixed
suse enterprise server 15 SP7
2.4.62-150700.4.9.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
httpd
RHEL 9
0:2.4.62-7.el9_7.3
fixed
httpd-core
RHEL 9
0:2.4.62-7.el9_7.3
fixed
httpd-devel
RHEL 9
0:2.4.62-7.el9_7.3
fixed
httpd-filesystem
RHEL 9
0:2.4.62-7.el9_7.3
fixed
httpd-manual
RHEL 9
0:2.4.62-7.el9_7.3
fixed
httpd-tools
RHEL 9
0:2.4.62-7.el9_7.3
fixed
mod
RHEL 9
1:2.4.62-7.el9_7.3
fixed
Common Weakness Enumeration
References
https://httpd.apache.org/security/vulnerabilities_24.html
http://www.openwall.com/lists/oss-security/2025/12/04/8