CVE-2011-2766

Severity CVSS v4.0:

Pending analysis

Type:

CWE-287 Authentication Issues

Publication date:

23/09/2011

Last modified:

11/04/2025

Description

The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:fast_cgi_project:fast_cgi::::::perl::*	0.70 (including)	0.73 (including)
cpe:2.3:o:debian:debian_linux:5.0:::::::*
cpe:2.3:o:debian:debian_linux:6.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2011-2766

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools