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    CVE-2024-31040

    Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.

    Published:Apr 17, 2024
    Last Modified:Jun 10, 2025
    EPS:Apr 17, 2024
    EPSS Score:0.00328
    CVSS Score:2.7

    Affected Products

    Vendor
    Emqx
    Product
    Nanomq

    Exploits

    https://github.com/nanomq/nanomq/issues/1720https://github.com/nanomq/nanomq/issues/1720

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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