CVE-2026-21659

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

U

nauthenticated 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.

References

Link	Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01	Third Party Advisory US Government Resource
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:johnsoncontrols:frick_controls_quantum_hd:-:*:*:*:*:*:*:*

History

02 Mar 2026, 18:23

Type	Values Removed	Values Added
First Time		Johnsoncontrols frick Controls Quantum Hd Firmware Johnsoncontrols Johnsoncontrols frick Controls Quantum Hd
CWE		CWE-22
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8
References	~~() https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 -~~	() https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 - Third Party Advisory, US Government Resource
References	~~() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories -~~	() https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories - Vendor Advisory
CPE		cpe:2.3:o:johnsoncontrols:frick_controls_quantum_hd_firmware:::::::: cpe:2.3:h:johnsoncontrols:frick_controls_quantum_hd:-:::::::*

27 Feb 2026, 10:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-27 10:16

Updated : 2026-03-02 18:23

NVD link : CVE-2026-21659

Mitre link : CVE-2026-21659

CVE.ORG link : CVE-2026-21659

JSON object : View

Products Affected

johnsoncontrols

CWE

CWE-23

Relative Path Traversal

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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