Vulnerability-Lookup

GHSA-C8J6-69W9-74H6

Vulnerability from github – Published: 2023-02-01 06:30 – Updated: 2023-02-08 18:30

Details

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP and BMEH) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58S and BMEH58S) (All Versions), Modicon Momentum MDI (171CBU) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-22786"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-02-01T04:15:00Z",
    "severity": "HIGH"
  },
  "details": "A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)",
  "id": "GHSA-c8j6-69w9-74h6",
  "modified": "2023-02-08T18:30:23Z",
  "published": "2023-02-01T06:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-22786"
    },
    {
      "type": "WEB",
      "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-22786 (GCVE-0-2021-22786)

Vulnerability from cvelistv5 – Published: 2023-02-01 00:00 – Updated: 2025-02-05 20:06

Summary

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-05 19:54 UTC

CWE

CWE-200 - Information Exposure

Assigner

schneider mitre root

References

1 reference

URL	Tags
https://download.schneider-electric.com/files?p_D…

Impacted products

6 products

Vendor	Product	Version
Schneider Electric	Modicon M340 CPU (part numbers BMXP34*)	Affected: All , < V3.30 (custom)
Schneider Electric	Modicon M580 CPU (part numbers BMEP* and BMEH*)	Affected: All , < V3.20 (custom)
Schneider Electric	Modicon M580 CPU Safety (part numbers BMEP58S and BMEH58S)	Affected: All Versions
Schneider Electric	Modicon MC80 (BMKC80)	Affected: All , < V1.6 (custom)
Schneider Electric	Modicon Momentum CPU (171CBU*)	Affected: All , < V2.3 (custom)
Schneider Electric	Legacy Modicon Quantum	Affected: All Versions

Date Public

2022-08-09 00:00

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:51:07.574Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-22786",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-05T19:54:57.011597Z",
                "version": "2.0.3"
              },
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-05T20:06:44.280Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Modicon M340 CPU (part numbers BMXP34*)",
          "vendor": "Schneider Electric",
          "versions": [
            {
              "lessThan": "V3.30",
              "status": "affected",
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        },
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          "product": "Modicon M580 CPU (part numbers BMEP* and BMEH*)",
          "vendor": "Schneider Electric",
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              "version": "All",
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        },
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          "product": "Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)",
          "vendor": "Schneider Electric",
          "versions": [
            {
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              "version": "All Versions"
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        },
        {
          "product": "Modicon MC80 (BMKC80)",
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          "versions": [
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              "status": "affected",
              "version": "All",
              "versionType": "custom"
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        },
        {
          "product": "Legacy Modicon Quantum",
          "vendor": "Schneider Electric",
          "versions": [
            {
              "status": "affected",
              "version": "All Versions"
            }
          ]
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
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      "problemTypes": [
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      "references": [
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          "url": "https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-221-04\u0026p_enDocType=Security+and+Safety+Notice\u0026p_File_Name=SEVD-2022-221-04-Modicon_Controllers_Ethernet_Modules_Security_Notification.pdf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
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    "assignerShortName": "schneider",
    "cveId": "CVE-2021-22786",
    "datePublished": "2023-02-01T00:00:00.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2025-02-05T20:06:44.280Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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GHSA-C8J6-69W9-74H6

CVE-2021-22786 (GCVE-0-2021-22786)

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Sightings

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