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CVE-2011-2766

Date: September 23, 2011

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.

Severity Score

Related Resources (15)

http://www.securityfocus.com/bid/49549
https://hermes.opensuse.org/messages/13155253
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479
https://exchange.xforce.ibmcloud.com/vulnerabilities/69709
https://hermes.opensuse.org/messages/13154637
https://security-tracker.debian.org/tracker/CVE-2011-2766
https://bugzilla.redhat.com/show_bug.cgi?id=736604
http://www.openwall.com/lists/oss-security/2011/09/08/1
https://nvd.nist.gov/vuln/detail/CVE-2011-2766
http://www.debian.org/security/2011/dsa-2327
http://www.mandriva.com/security/advisories?name=MDVSA-2012:001
http://www.openwall.com/lists/oss-security/2011/09/08/2
https://rt.cpan.org/Public/Bug/Display.html?id=68380
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-2766
https://www.mend.io/vulnerability-database/CVE-2011-2766

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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