CVE Feed

    Dashboard / CVE / CVE-2021-32978

    CVE-2021-32978

    The programming protocol allows for a previously entered password and lock state to be read by an attacker. If the previously entered password was successful, the attacker can then use the password to unlock Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00.

    Published:Apr 4, 2022
    Last Modified:Apr 16, 2025
    EPS:Apr 4, 2022
    EPSS Score:0.00208
    CVSS Score:7.5

    Affected Products

    Vendor
    Automationdirect
    Product
    C0-10are-d
    Vendor
    Automationdirect
    Product
    C0-10are-d Firmware
    Vendor
    Automationdirect
    Product
    C0-10dd1e-d
    Vendor
    Automationdirect
    Product
    C0-10dd1e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-10dd2e-d
    Vendor
    Automationdirect
    Product
    C0-10dd2e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-10dre-d
    Vendor
    Automationdirect
    Product
    C0-10dre-d Firmware
    Vendor
    Automationdirect
    Product
    C0-11are-d
    Vendor
    Automationdirect
    Product
    C0-11are-d Firmware
    Vendor
    Automationdirect
    Product
    C0-11dd1e-d
    Vendor
    Automationdirect
    Product
    C0-11dd1e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-11dd2e-d
    Vendor
    Automationdirect
    Product
    C0-11dd2e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-11dre-d
    Vendor
    Automationdirect
    Product
    C0-11dre-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12are-1-d
    Vendor
    Automationdirect
    Product
    C0-12are-1-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12are-2-d
    Vendor
    Automationdirect
    Product
    C0-12are-2-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12are-d
    Vendor
    Automationdirect
    Product
    C0-12are-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd1e-1-d
    Vendor
    Automationdirect
    Product
    C0-12dd1e-1-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd1e-2-d
    Vendor
    Automationdirect
    Product
    C0-12dd1e-2-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd1e-d
    Vendor
    Automationdirect
    Product
    C0-12dd1e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd2e-1-d
    Vendor
    Automationdirect
    Product
    C0-12dd2e-1-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd2e-2-d
    Vendor
    Automationdirect
    Product
    C0-12dd2e-2-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dd2e-d
    Vendor
    Automationdirect
    Product
    C0-12dd2e-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dre-1-d
    Vendor
    Automationdirect
    Product
    C0-12dre-1-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dre-2-d
    Vendor
    Automationdirect
    Product
    C0-12dre-2-d Firmware
    Vendor
    Automationdirect
    Product
    C0-12dre-d
    Vendor
    Automationdirect
    Product
    C0-12dre-d 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