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    CVE-2011-3140

    IBM Web Application Firewall, as used on the G400 IPS-G400-IB-1 and GX4004 IPS-GX4004-IB-2 appliances with update 31.030, does not properly handle query strings with multiple instances of the same parameter, which allows remote attackers to bypass intended intrusion prevention by dividing a dangerous parameter value into substrings, as demonstrated by a SQL statement that is split across multiple iid parameters and then sent to a .aspx file on an IIS web server.

    Published:Aug 15, 2011
    Last Modified:Apr 11, 2025
    EPS:Aug 15, 2011
    EPSS Score:0.00228
    CVSS Score:5

    Affected Products

    Vendor
    Ibm
    Product
    G400 Ips-g400-ib-1 Appliance
    Vendor
    Ibm
    Product
    Gx4004 Ips-gx4004-ib-2 Appliance
    Vendor
    Ibm
    Product
    Web Application Firewall

    Exploits

    http://securitytracker.com/id?1025683https://www.trustwave.com/spiderlabs/advisories/TWSL2011-006.txthttp://securitytracker.com/id?1025683https://www.trustwave.com/spiderlabs/advisories/TWSL2011-006.txt

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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