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    CVE-2018-7842

    A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.

    Published:May 22, 2019
    Last Modified:Nov 21, 2024
    EPS:May 22, 2019
    EPSS Score:0.06468
    CVSS Score:9.8

    Affected Products

    Vendor
    Schneider-electric
    Product
    Modicon M340
    Vendor
    Schneider-electric
    Product
    Modicon M340 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon M580
    Vendor
    Schneider-electric
    Product
    Modicon M580 Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Premium
    Vendor
    Schneider-electric
    Product
    Modicon Premium Firmware
    Vendor
    Schneider-electric
    Product
    Modicon Quantum
    Vendor
    Schneider-electric
    Product
    Modicon Quantum Firmware

    Exploits

    https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0741https://github.com/yanissec/CVE-2018-7842

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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