CVE-2026-21662

FMS Employee Allows Upload of Unrestricted Files

Published Jul 31, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Johnsoncontrols
Johnsoncontrols fm Systems Employee
Vendors & Products Johnsoncontrols
Johnsoncontrols fm Systems Employee
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title FMS Employee Allows Upload of Unrestricted Files
First Time appeared Johnson Controls
Johnson Controls fm Systems Employee
Weaknesses CWE-434
CPEs cpe:2.3:a:johnson_controls:fm_systems_employee:*:*:*:*:*:*:*:*
Vendors & Products Johnson Controls
Johnson Controls fm Systems Employee
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jci
Published
Updated
Jul 31, 2026, 6:24 PM
Reserved
Jan 2, 2026, 1:23 PM
Status
Analyzed
Published
Jul 31, 2026, 6:17 PM
Modified
Oct 23, 2026, 11:10 PM