CVE-2011-3607
mediumCVSS v3 Base Score
4.4
AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS Score
0.2%
Exploitation probability in 30 days
Top 53% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
M
Confidentiality
P
Integrity
P
Availability
P
Published: November 8, 2011 (5301 days ago)
Last Modified: April 29, 2026
Vendor: Apache
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow.
CWE
CWE-189Affected Products
apache http server