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    CVE-2011-2766

    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.

    Published:Sep 23, 2011
    Last Modified:Apr 11, 2025
    EPS:Sep 23, 2011
    EPSS Score:0.00261
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fast Cgi Project
    Product
    Fast Cgi

    Exploits

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479https://bugzilla.redhat.com/show_bug.cgi?id=736604https://rt.cpan.org/Public/Bug/Display.html?id=68380http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479https://bugzilla.redhat.com/show_bug.cgi?id=736604https://rt.cpan.org/Public/Bug/Display.html?id=68380

    Common Weakness Enumeration

    CWE-287 Improper Authentication

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    References

    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479
    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/2011/09/08/1
    http://www.openwall.com/lists/oss-security/2011/09/08/2
    http://www.securityfocus.com/bid/49549
    https://bugzilla.redhat.com/show_bug.cgi?id=736604
    https://exchange.xforce.ibmcloud.com/vulnerabilities/69709
    https://hermes.opensuse.org/messages/13154637
    https://hermes.opensuse.org/messages/13155253
    https://rt.cpan.org/Public/Bug/Display.html?id=68380
    http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479
    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/2011/09/08/1
    http://www.openwall.com/lists/oss-security/2011/09/08/2
    http://www.securityfocus.com/bid/49549
    https://bugzilla.redhat.com/show_bug.cgi?id=736604
    https://exchange.xforce.ibmcloud.com/vulnerabilities/69709
    https://hermes.opensuse.org/messages/13154637
    https://hermes.opensuse.org/messages/13155253
    https://rt.cpan.org/Public/Bug/Display.html?id=68380

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High