Vulnerability in Johnson Controls Frick Quantum Hd
CVE-2026-21660
Hardcoded Email Credentials Saved as Plaintext in Firmware (CWE-256: Plaintext Storage of a Password) vulnerability in Frick Controls Quantum HD version 10.22 and prior lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise This issue affects Frick Controls Quantum HD version 10.22 and prior.
EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Johnson Controls Frick Quantum Hd — versions Frick Controls Quantum HD version 10.22 and prior
- Johnsoncontrols Frick_controls_quantum_hd
- Johnsoncontrols Frick_controls_quantum_hd_firmware
Weakness classification (CWE)
References
- productsecurity@jci.com (US Government Resource, Third Party Advisory)
- productsecurity@jci.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21660?
- CVE-2026-21660 is a critical-severity vulnerability in Johnson Controls Frick Quantum Hd, classified under Plaintext Storage of a Password. CVSS score: 9.8/10. Published 2026-02-27.
- How severe is CVE-2026-21660?
- Critical severity. CVSS v3 base score is 9.8 out of 10.