CVE-2026-21656CWE-94

Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution

High · published February 27, 2026

CVSS v4.0
8.8
EPSS
0%
Percentile
34.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.8 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00408 · 34.0th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-02-27T08:47Z
EPSS history
Timeline
  • 27 FEB 08:47Z
    Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution
    cvelistv5