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    Dashboard / CVE / CVE-2021-32986

    CVE-2021-32986

    After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.

    Published:Apr 4, 2022
    Last Modified:Apr 16, 2025
    EPS:Apr 4, 2022
    EPSS Score:0.00189
    CVSS Score:9.8

    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 Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-127 Directory Indexing
    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    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