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    CVE-2021-32926

    When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and replace it with an illegitimate hash. The user would no longer be able to authenticate to the controller (Micro800: All versions, MicroLogix 1400: Version 21 and later) causing a denial-of-service condition

    Published:Jun 3, 2021
    Last Modified:Jun 4, 2026
    EPS:Jun 3, 2021
    EPSS Score:0.00129
    CVSS Score:5.9

    Affected Products

    Vendor
    Rockwellautomation
    Product
    Micro800
    Vendor
    Rockwellautomation
    Product
    Micro800 Firmware
    Vendor
    Rockwellautomation
    Product
    Micrologix 1400
    Vendor
    Rockwellautomation
    Product
    Micrologix 1400 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