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    CVE-2021-20589

    Buffer access with incorrect length value vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.38.000, GT25 model communication driver versions 01.19.000 through 01.38.000, GT23 model communication driver versions 01.19.000 through 01.38.000 and GT21 model communication driver versions 01.21.000 through 01.39.000, GOT SIMPLE series GS21 model communication driver versions 01.21.000 through 01.39.000, GT SoftGOT2000 versions 1.170C through 1.250L and Tension Controller LE7-40GU-L Screen package data for MODBUS/TCP V1.00 allows a remote unauthenticated attacker to stop the communication function of the products via specially crafted packets.

    Published:May 19, 2021
    Last Modified:Nov 21, 2024
    EPS:May 19, 2021
    EPSS Score:0.00326
    CVSS Score:7.5

    Affected Products

    Vendor
    Mitsubishi
    Product
    Gs21
    Vendor
    Mitsubishi
    Product
    Gs21 Firmware
    Vendor
    Mitsubishi
    Product
    Gt21
    Vendor
    Mitsubishi
    Product
    Gt21 Firmware
    Vendor
    Mitsubishi
    Product
    Gt23
    Vendor
    Mitsubishi
    Product
    Gt23 Firmware
    Vendor
    Mitsubishi
    Product
    Gt25
    Vendor
    Mitsubishi
    Product
    Gt25 Firmware
    Vendor
    Mitsubishi
    Product
    Gt27
    Vendor
    Mitsubishi
    Product
    Gt27 Firmware
    Vendor
    Mitsubishi
    Product
    Gt Softgot2000
    Vendor
    Mitsubishi
    Product
    Gt Softgot2000 Firmware

    Exploits

    No exploit reference

    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