VULNERABILITY INTELLIGENCE

CVE-2026-21659

CVSS score9.8 CRITICAL

EPSS probability1.04%

CISA KEVNot currently listed

Published2026-02-27

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Unauthenticated Remote Code Execution and Information Disclosure due to Local File Inclusion (LFI) vulnerability in Johnson Controls Frick Controls Quantum HD allow an unauthenticated attacker to execute arbitrary code on the affected device, leading to full system compromise. This issue affects Frick Controls Quantum HD: Frick Controls Quantum HD version 10.22 and prior.

Weakness classification

productsecurity@jci.com: CWE-23
nvd@nist.gov: CWE-22

Primary references

productsecurity@jci.com — Third Party Advisory, US Government Resource
productsecurity@jci.com — Vendor Advisory