VULNERABILITY INTELLIGENCE
CVE-2026-21662
CVSS score9.8 CRITICAL
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-07-31
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- productsecurity@jci.com: CWE-434
Primary references
- productsecurity@jci.com — Vendor Advisory