Vulnerability-Lookup

GHSA-Q9PH-762Q-R4C6

Vulnerability from github – Published: 2026-07-29 15:31 – Updated: 2026-07-29 15:31

Details

CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality & integrity when communicating over the Modbus TCP protocol.

Severity

9.3 (Critical)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-0667"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-754"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-29T13:17:29Z",
    "severity": "CRITICAL"
  },
  "details": "CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability that could cause arbitrary code execution, denial of service and loss of confidentiality \u0026 integrity when communicating over the Modbus TCP protocol.",
  "id": "GHSA-q9ph-762q-r4c6",
  "modified": "2026-07-29T15:31:10Z",
  "published": "2026-07-29T15:31:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0667"
    },
    {
      "type": "WEB",
      "url": "https://download.se.com/files?p_Doc_Ref=SEVD-2026-041-01\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2026-041-01.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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-2026-0667 (GCVE-0-2026-0667)

Vulnerability from cvelistv5 – Published: 2026-07-29 12:35 – Updated: 2026-07-29 14:20

Summary

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/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-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

schneider

References

1 reference

URL	Tags
https://download.se.com/files?p_Doc_Ref=SEVD-2026…

Impacted products

4 products

Vendor	Product	Version
Schneider Electric	SCADAPack 47x	Affected: Versions prior to R3.4.2 (Firmware version prior to 9.12.2)
Schneider Electric	SCADAPack 47xi	Affected: Versions prior to R3.4.2 (Firmware version prior to 9.12.2)
Schneider Electric	SCADAPack 57x	Affected: All Versions
Schneider Electric	RemoteConnect	Affected: Versions prior to R3.4.2

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-0667",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-29T14:19:55.842761Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-29T14:20:14.876Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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          "product": "SCADAPack 47x",
          "vendor": "Schneider Electric",
          "versions": [
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          "versions": [
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          "versions": [
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            "attackVector": "NETWORK",
            "baseScore": 9.3,
            "baseSeverity": "CRITICAL",
            "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:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      ],
      "source": {
        "discovery": "UNKNOWN"
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  "cveMetadata": {
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    "datePublished": "2026-07-29T12:35:34.208Z",
    "dateReserved": "2026-01-07T15:42:11.892Z",
    "dateUpdated": "2026-07-29T14:20:14.876Z",
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

GHSA-Q9PH-762Q-R4C6

CVE-2026-0667 (GCVE-0-2026-0667)

Tags

Sightings

Nomenclature