CVE-2026-21659

HIGH EPSS 55.4%
Published Feb 27, 20264mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published Feb 27, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
55.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-22 Path Traversal Resource Mgmt
CWE-23

Affected Products 2

VendorProductVersionRange
johnsoncontrolsfrick_controls_quantum_hd_firmware* ≤10.22
johnsoncontrolsfrick_controls_quantum_hd*any

References 2

  • cisa.gov https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
    Third Party AdvisoryUS Government Resource
  • johnsoncontrols.com https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.