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CVE Vulnerability Details :
CVE-2026-21660
PUBLISHED
More InfoOfficial Page
Assigner-jci
Assigner Org ID-7281d04a-a537-43df-bfb4-fa4110af9d01
View Known Exploited Vulnerability (KEV) details
Published At-27 Feb, 2026 | 09:18
Updated At-27 Feb, 2026 | 16:17
Rejected At-
▼CVE Numbering Authority (CNA)
Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware

Hardcoded Email Credentials Saved as Plaintext in Firmware (CWE-256: Plaintext Storage of a Password) vulnerability in Frick Controls Quantum HD version 10.22 and prior lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise This issue affects Frick Controls Quantum HD version 10.22 and prior.

Affected Products
Vendor
Johnson Controls
Product
Frick Controls Quantum HD
Default Status
unaffected
Versions
Affected
  • Frick Controls Quantum HD version 10.22 and prior
Problem Types
TypeCWE IDDescription
CWECWE-256CWE-256: Plaintext Storage of a Password
Type: CWE
CWE ID: CWE-256
Description: CWE-256: Plaintext Storage of a Password
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-37CAPEC-37 Retrieve Embedded Sensitive Data
CAPEC ID: CAPEC-37
Description: CAPEC-37 Retrieve Embedded Sensitive Data
Solutions

a. Quantum HD version 10.22 through Version 11 is a previous product platform and is End Of support platform and should be upgraded to new platform with Quantum HD Unity version 12 and above. The update procedure can be found here: https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories

Configurations
Workarounds
Exploits
Credits
finder
Noam Moshe of Claroty Team 82 Research group
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
N/A
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
N/A
Hyperlink: https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01
Resource: N/A
Hyperlink: https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found