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    CVE-2004-1111

    Cisco IOS 2.2(18)EW, 12.2(18)EWA, 12.2(14)SZ, 12.2(18)S, 12.2(18)SE, 12.2(18)SV, 12.2(18)SW, and other versions without the "no service dhcp" command, keep undeliverable DHCP packets in the queue instead of dropping them, which allows remote attackers to cause a denial of service (dropped traffic) via multiple undeliverable DHCP packets that exceed the input queue size.

    Published:Dec 1, 2004
    Last Modified:Apr 16, 2026
    EPS:Dec 1, 2004
    EPSS Score:0.03941
    CVSS Score:5

    Affected Products

    Vendor
    Cisco
    Product
    7200 Router
    Vendor
    Cisco
    Product
    7300 Router
    Vendor
    Cisco
    Product
    7500 Router
    Vendor
    Cisco
    Product
    7600 Router
    Vendor
    Cisco
    Product
    Catalyst 7600
    Vendor
    Cisco
    Product
    Ios
    Vendor
    Cisco
    Product
    Multiservice Platform 2650
    Vendor
    Cisco
    Product
    Multiservice Platform 2650xm
    Vendor
    Cisco
    Product
    Multiservice Platform 2651
    Vendor
    Cisco
    Product
    Multiservice Platform 2651xm

    Exploits

    No exploit reference

    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