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    CVE-2021-38397

    Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to unrestricted file uploads, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.

    Published:Oct 28, 2022
    Last Modified:Apr 16, 2025
    EPS:Oct 28, 2022
    EPSS Score:0.0012
    CVSS Score:10

    Affected Products

    Vendor
    Honeywell
    Product
    Application Control Environment
    Vendor
    Honeywell
    Product
    Application Control Environment Firmware
    Vendor
    Honeywell
    Product
    C200
    Vendor
    Honeywell
    Product
    C200 Firmware
    Vendor
    Honeywell
    Product
    C200e
    Vendor
    Honeywell
    Product
    C200e Firmware
    Vendor
    Honeywell
    Product
    C300
    Vendor
    Honeywell
    Product
    C300 Firmware

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    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