Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Johnson Controls Frick Controls Quantum HD allows Code Injection. Insufficient validation of input in certain parameters may permit unexpected actions, which could impact the security of the device before authentication occurs.This issue affects Frick Controls Quantum HD version 10.22 and prior.

INFO

Published Date :

2026-02-27T08:47:21.490Z

Last Modified :

2026-03-06T18:42:45.757Z

Source :

jci
AFFECTED PRODUCTS

The following products are affected by CVE-2026-21656 vulnerability.

Vendors Products
Johnsoncontrols
  • Frick Controls Quantum Hd
  • Frick Controls Quantum Hd Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-21656.

URL Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 cve-icon cve-icon
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact