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CVE-2026-21659

Johnson Controls -Frick Quantum HD-Unauthenticated Remote Code Execution and Information Disclosure due to Local File Inclusion

Published: Feb 27, 2026Updated: Mar 2, 2026 Sources: CVE List NVD csafCWE-23
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.9%
Top 44.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Unauthenticated 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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-23CWE-22

Affected Products

frick controls quantum hd firmwarejohnsoncontrols
On-prem
ICS / OT / IoT / building-automation
Frick Controls Quantum HDJohnson Controls
On-prem
ICS / OT / IoT / building-automation
johnsoncontrolscommercialUSICS / OT / IoTaka metasys extended application and data server, metasys application and data server, metasys open application server
johnson controlscommercialUSICS / OT / IoTaka jci, exacqvision, metasys, frick controls quantum hd

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
cisa.gov
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
johnsoncontrols.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-057-01.json
raw.githubusercontent.com
and 25 more references View all →

Timeline

Published
Feb 27, 2026
Last Updated
Mar 2, 2026

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