CVE-2026-21660 - Vulnerability Details - OpenCVE

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.

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00017.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

References

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

History

Fri, 27 Feb 2026 09:30:00 +0000

Type	Values Removed	Values Added
Description		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.
Title		Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware
Weaknesses		CWE-256
References		https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01 https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Metrics		cvssV4_0 `{'score': 6.9, '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'}`

MITRE

Status: PUBLISHED

Assigner: jci

Published: 2026-02-27T09:18:49.186Z

Updated: 2026-02-27T09:18:49.186Z

Reserved: 2026-01-02T13:23:28.169Z

Link: CVE-2026-21660

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-02-27T10:16:22.563

Modified: 2026-02-27T10:16:22.563

Link: CVE-2026-21660

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21660", "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "state": "PUBLISHED", "assignerShortName": "jci", "dateReserved": "2026-01-02T13:23:28.169Z", "datePublished": "2026-02-27T09:18:49.186Z", "dateUpdated": "2026-02-27T09:18:49.186Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Frick Controls Quantum HD", "vendor": "Johnson Controls", "versions": [{"status": "affected", "version": "Frick Controls Quantum HD version 10.22 and prior"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Noam Moshe of Claroty Team 82 Research group"}], "datePublic": "2026-02-26T09:10:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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<br><p>This issue affects Frick Controls Quantum HD version 10.22 and prior.</p>"}], "value": "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\u00a0lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise\nThis issue affects Frick Controls Quantum HD version 10.22 and prior."}], "impacts": [{"capecId": "CAPEC-37", "descriptions": [{"lang": "en", "value": "CAPEC-37 Retrieve Embedded Sensitive Data"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 6.9, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-256", "description": "CWE-256: Plaintext Storage of a Password", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7281d04a-a537-43df-bfb4-fa4110af9d01", "shortName": "jci", "dateUpdated": "2026-02-27T09:18:49.186Z"}, "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01"}, {"url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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: <a target=\"_blank\" rel=\"nofollow\" href=\"https://frickcontrolsblob.file.core.windows.net/frickweb1/Quantum-HD-Unity/Quantum_HD_Unity_Software..\">https://frickcontrolsblob.file.core.windows.net/frickweb1/Quantum-HD-Unity/Quantum_HD_Unity_Software...</a>.<br>b. After the upgrade to version 12 is completed, ensure full alignment with hardening guide and apply all relevant security configurations.<br>c. For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2026-05 at the following location<br><a target=\"_blank\" rel=\"nofollow\" href=\"https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories\">https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories</a><br><br>"}], "value": "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"}], "source": {"discovery": "UNKNOWN"}, "title": "Johnson Controls-Frick Quantum HD-Hardcoded Email Credentials Saved as Plaintext in Firmware", "x_generator": {"engine": "Vulnogram 0.5.0"}}}}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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\u00a0lead to unauthorized access, exposure of sensitive information, and potential misuse or system compromise\nThis issue affects Frick Controls Quantum HD version 10.22 and prior."}], "id": "CVE-2026-21660", "lastModified": "2026-02-27T10:16:22.563", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "productsecurity@jci.com", "type": "Secondary"}]}, "published": "2026-02-27T10:16:22.563", "references": [{"source": "productsecurity@jci.com", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01"}, {"source": "productsecurity@jci.com", "url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"}], "sourceIdentifier": "productsecurity@jci.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-256"}], "source": "productsecurity@jci.com", "type": "Secondary"}]}