Vulnerability Details 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 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.9%
CVSS Severity
CVSS v3 Score 5.4
References
Products affected by CVE-2025-66200
-
cpe:2.3:a:apache:http_server:2.4.10
-
cpe:2.3:a:apache:http_server:2.4.11
-
cpe:2.3:a:apache:http_server:2.4.12
-
cpe:2.3:a:apache:http_server:2.4.13
-
cpe:2.3:a:apache:http_server:2.4.14
-
cpe:2.3:a:apache:http_server:2.4.15
-
cpe:2.3:a:apache:http_server:2.4.16
-
cpe:2.3:a:apache:http_server:2.4.17
-
cpe:2.3:a:apache:http_server:2.4.18
-
cpe:2.3:a:apache:http_server:2.4.19
-
cpe:2.3:a:apache:http_server:2.4.20
-
cpe:2.3:a:apache:http_server:2.4.21
-
cpe:2.3:a:apache:http_server:2.4.22
-
cpe:2.3:a:apache:http_server:2.4.23
-
cpe:2.3:a:apache:http_server:2.4.24
-
cpe:2.3:a:apache:http_server:2.4.25
-
cpe:2.3:a:apache:http_server:2.4.26
-
cpe:2.3:a:apache:http_server:2.4.27
-
cpe:2.3:a:apache:http_server:2.4.28
-
cpe:2.3:a:apache:http_server:2.4.29
-
cpe:2.3:a:apache:http_server:2.4.30
-
cpe:2.3:a:apache:http_server:2.4.31
-
cpe:2.3:a:apache:http_server:2.4.32
-
cpe:2.3:a:apache:http_server:2.4.33
-
cpe:2.3:a:apache:http_server:2.4.34
-
cpe:2.3:a:apache:http_server:2.4.35
-
cpe:2.3:a:apache:http_server:2.4.36
-
cpe:2.3:a:apache:http_server:2.4.37
-
cpe:2.3:a:apache:http_server:2.4.38
-
cpe:2.3:a:apache:http_server:2.4.39
-
cpe:2.3:a:apache:http_server:2.4.40
-
cpe:2.3:a:apache:http_server:2.4.41
-
cpe:2.3:a:apache:http_server:2.4.42
-
cpe:2.3:a:apache:http_server:2.4.43
-
cpe:2.3:a:apache:http_server:2.4.44
-
cpe:2.3:a:apache:http_server:2.4.45
-
cpe:2.3:a:apache:http_server:2.4.46
-
cpe:2.3:a:apache:http_server:2.4.47
-
cpe:2.3:a:apache:http_server:2.4.48
-
cpe:2.3:a:apache:http_server:2.4.49
-
cpe:2.3:a:apache:http_server:2.4.50
-
cpe:2.3:a:apache:http_server:2.4.51
-
cpe:2.3:a:apache:http_server:2.4.52
-
cpe:2.3:a:apache:http_server:2.4.53
-
cpe:2.3:a:apache:http_server:2.4.54
-
cpe:2.3:a:apache:http_server:2.4.55
-
cpe:2.3:a:apache:http_server:2.4.56
-
cpe:2.3:a:apache:http_server:2.4.57
-
cpe:2.3:a:apache:http_server:2.4.58
-
cpe:2.3:a:apache:http_server:2.4.59
-
cpe:2.3:a:apache:http_server:2.4.60
-
cpe:2.3:a:apache:http_server:2.4.61
-
cpe:2.3:a:apache:http_server:2.4.62
-
cpe:2.3:a:apache:http_server:2.4.63
-
cpe:2.3:a:apache:http_server:2.4.64
-
cpe:2.3:a:apache:http_server:2.4.65
-
cpe:2.3:a:apache:http_server:2.4.7
-
cpe:2.3:a:apache:http_server:2.4.8
-
cpe:2.3:a:apache:http_server:2.4.9