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    CVE-2026-21662

    Unrestricted upload of file with dangerous type vulnerability in Johnson Controls FM Systems Employee allows Using Malicious Files. This issue affects FM Systems Employee: before 2025.3.1.

    Published:Jul 31, 2026
    Last Modified:Aug 2, 2026
    EPS:Jul 31, 2026
    EPSS Score:0.00409
    CVSS Score:4.8

    Affected Products

    Vendor
    Johnson Controls
    Product
    Fm Systems Employee
    Vendor
    Johnsoncontrols
    Product
    Fm Systems Employee

    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