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    CVE-2024-20276

    A vulnerability in Cisco IOS Software for Cisco Catalyst 6000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly. This vulnerability is due to improper handling of process-switched traffic. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition.

    Published:Mar 27, 2024
    Last Modified:Aug 5, 2025
    EPS:Mar 27, 2024
    EPSS Score:0.00136
    CVSS Score:7.4

    Affected Products

    Vendor
    Cisco
    Product
    Catalyst 6503-e
    Vendor
    Cisco
    Product
    Catalyst 6504-e
    Vendor
    Cisco
    Product
    Catalyst 6506-e
    Vendor
    Cisco
    Product
    Catalyst 6509-e
    Vendor
    Cisco
    Product
    Catalyst 6509-v-e
    Vendor
    Cisco
    Product
    Catalyst 6513-e
    Vendor
    Cisco
    Product
    Catalyst 6807-xl
    Vendor
    Cisco
    Product
    Catalyst C6800-sup6t
    Vendor
    Cisco
    Product
    Catalyst C6800-sup6t-xl
    Vendor
    Cisco
    Product
    Ios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-248 Uncaught Exception

    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