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    CVE-2009-2299

    The Artofdefence Hyperguard Web Application Firewall (WAF) module before 2.5.5-11635, 3.0 before 3.0.3-11636, and 3.1 before 3.1.1-11637, a module for the Apache HTTP Server, allows remote attackers to cause a denial of service (memory consumption) via an HTTP request with a large Content-Length value but no POST data.

    Published:Jul 2, 2009
    Last Modified:Apr 23, 2026
    EPS:Jul 2, 2009
    EPSS Score:0.00879
    CVSS Score:5

    Affected Products

    Vendor
    Apache
    Product
    Http Server
    Vendor
    Hyperguard Web Application Firewall Project
    Product
    Hyperguard Web Application Firewall

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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