CVE-2026-21657CRITICAL 9.8EPSS p30.9%

CVE-2026-21657CVE-2026-21657

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.39% probability of exploitation · percentile 30.9% · 2026-06-18T12:00:27Z
Published2026-02-27
Last modified2026-03-02

Underlying weaknesses· 1

CWE-94

References

  1. https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
  2. https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

1

TypeTargetConfidenceTier
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.