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    CVE-2020-5666

    Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.

    Published:Nov 16, 2020
    Last Modified:Nov 21, 2024
    EPS:Nov 16, 2020
    EPSS Score:0.14419
    CVSS Score:7.5

    Affected Products

    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r00
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r00 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r01
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r01 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r02
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r02 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r04
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r04 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r08
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r08 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r120
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r120 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r16
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r16 Firmware
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r32
    Vendor
    Mitsubishielectric
    Product
    Melsec Iq-r32 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