OS Command Injection Vulnerability in Frick Controls Quantum HD by Johnson Controls
CVE-2026-21654

8.8HIGH

Key Information:

Vendor

Johnson Controls

Status
Frick Controls Quantum Hd
Vendor
CVE Published:
27 February 2026

What is CVE-2026-21654?

An OS Command Injection vulnerability exists in Frick Controls Quantum HD, allowing unauthorized command execution through improper neutralization of special elements. This issue impacts version 10.22 and earlier, potentially compromising the security of systems utilizing this software.

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Affected Version(s)

Frick Controls Quantum HD Frick Controls Quantum HD version 10.22 and prior

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-0...
https://www.johnsoncontrols.com/trust-center/cybersecurit...

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Noam Moshe of Claroty Team 82 Research group
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