CVE-2026-21662

EUVD-2026-51588
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 20.44%
Affected Products (NVD)
VendorProductVersion
johnsoncontrolsfms_employee
𝑥
≤ 2025.3.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories