Vulnerability-Lookup

GHSA-JHJG-8MCJ-CVJP

Vulnerability from github – Published: 2026-02-27 09:30 – Updated: 2026-03-02 18:31

Details

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.

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.8 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-21656"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-27T09:16:16Z",
    "severity": "HIGH"
  },
  "details": "Improper Control of Generation of Code (\u0027Code Injection\u0027) vulnerability in Johnson Controls Frick Controls Quantum HD allows Code Injection.\u00a0Insufficient 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.",
  "id": "GHSA-jhjg-8mcj-cvjp",
  "modified": "2026-03-02T18:31:41Z",
  "published": "2026-02-27T09:30:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21656"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-01"
    },
    {
      "type": "WEB",
      "url": "https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-21656 (GCVE-0-2026-21656)

Vulnerability from cvelistv5 – Published: 2026-02-27 08:47 – Updated: 2026-03-06 18:42

Title

Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution

Summary

Severity

8.8 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-94 - Improper Control of Generation of Code ('Code Injection')

Assigner

jci

References

2 references

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…
https://www.johnsoncontrols.com/trust-center/cybe…

Impacted products

1 product

Vendor	Product	Version
Johnson Controls	Frick Controls Quantum HD	Affected: Frick Controls Quantum HD version 10.22 and prior

Date Public

2026-02-26 08:40

Credits

Noam Moshe of Claroty Team 82 Research group

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-21656",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-27T16:35:47.486866Z",
                "version": "2.0.3"
              },
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        },
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "product": "Frick Controls Quantum HD",
          "vendor": "Johnson Controls",
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            }
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      "credits": [
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          "lang": "en",
          "type": "finder",
          "value": "Noam Moshe of Claroty Team 82 Research group"
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      "impacts": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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          "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:\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://frickcontrolsblob.file.core.windows.net/frickweb1/Quantum-HD-Unity/Quantum_HD_Unity_Software_Update_Procedure.pdf?sv=2018-03-28\u0026amp;si=frickweb1-174C1294FA7\u0026amp;sr=f\u0026amp;sig=us0dhk6IWmCvmDvBs02yJvC%2BjnzbxqZmb4QEpVVDkxY%3D\"\u003ehttps://frickcontrolsblob.file.core.windows.net/frickweb1/Quantum-HD-Unity/Quantum_HD_Unity_Software...\u003c/a\u003e\u003cbr\u003eb.  After the upgrade to version 12 is completed, ensure full alignment with hardening guide and apply all relevant security configurations.\u003cbr\u003ed.  For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2026-05 at the following location \u003cbr\u003e\u003cbr\u003e"
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        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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      "title": "Johnson Controls -Frick Quantum HD- Unauthenticated Remote Code Execution",
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  "cveMetadata": {
    "assignerOrgId": "7281d04a-a537-43df-bfb4-fa4110af9d01",
    "assignerShortName": "jci",
    "cveId": "CVE-2026-21656",
    "datePublished": "2026-02-27T08:47:21.490Z",
    "dateReserved": "2026-01-02T13:23:28.169Z",
    "dateUpdated": "2026-03-06T18:42:45.757Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JHJG-8MCJ-CVJP

CVE-2026-21656 (GCVE-0-2026-21656)

Tags

Sightings

Nomenclature