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    CVE-2001-0402

    IPFilter 3.4.16 and earlier does not include sufficient session information in its cache, which allows remote attackers to bypass access restrictions by sending fragmented packets to a restricted port after sending unfragmented packets to an unrestricted port.

    Published:Jun 18, 2001
    Last Modified:Apr 16, 2026
    EPS:Sep 18, 2001
    EPSS Score:0.02712
    CVSS Score:7.5

    Affected Products

    Vendor
    Darren Reed
    Product
    Ipfilter
    Vendor
    Freebsd
    Product
    Freebsd
    Vendor
    Openbsd
    Product
    Openbsd

    Exploits

    https://www.exploit-db.com/exploits/20730

    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