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    CVE-2020-24686

    The vulnerabilities can be exploited to cause the web visualization component of the PLC to stop and not respond, leading to genuine users losing remote visibility of the PLC state. If a user attempts to login to the PLC while this vulnerability is exploited, the PLC will show an error state and refuse connections to Automation Builder. The execution of the PLC application is not affected by this vulnerability. This issue affects ABB AC500 V2 products with onboard Ethernet.

    Published:Feb 26, 2021
    Last Modified:Nov 21, 2024
    EPS:Feb 26, 2021
    EPSS Score:0.00555
    CVSS Score:7.5

    Affected Products

    Vendor
    Abb
    Product
    Pm554
    Vendor
    Abb
    Product
    Pm554 Firmware
    Vendor
    Abb
    Product
    Pm556
    Vendor
    Abb
    Product
    Pm556 Firmware
    Vendor
    Abb
    Product
    Pm564
    Vendor
    Abb
    Product
    Pm564 Firmware
    Vendor
    Abb
    Product
    Pm566
    Vendor
    Abb
    Product
    Pm566 Firmware
    Vendor
    Abb
    Product
    Pm572
    Vendor
    Abb
    Product
    Pm572 Firmware
    Vendor
    Abb
    Product
    Pm573
    Vendor
    Abb
    Product
    Pm573 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