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    CVE-2021-38111

    The DEF CON 27 badge allows remote attackers to exploit a buffer overflow by sending an oversized packet via the NFMI (Near Field Magnetic Induction) protocol.

    Published:Aug 4, 2021
    Last Modified:May 5, 2025
    EPS:Aug 4, 2021
    EPSS Score:0.00325
    CVSS Score:8.8

    Affected Products

    Vendor
    Defcon
    Product
    Def Con 27
    Vendor
    Defcon
    Product
    Def Con 27 Firmware

    Exploits

    https://defcon.org/html/defcon-29/dc-29-speakers.html#kintighhttps://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh

    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