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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:johnsoncontrols:fms_employee:*:*:*:*:*:*:*:*

History

10 Aug 2026, 19:55

Type	Values Removed	Values Added
CPE		cpe:2.3:a:johnsoncontrols:fms_employee::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories -~~	() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories - Vendor Advisory
First Time		Johnsoncontrols Johnsoncontrols fms Employee

31 Jul 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-31 18:17

Updated : 2026-08-10 19:55

NVD link : CVE-2026-21662

Mitre link : CVE-2026-21662

CVE.ORG link : CVE-2026-21662

JSON object : View

Products Affected

johnsoncontrols

fms_employee

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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