Vulnerability-Lookup

Name
['Schneider Electric Modicon M340 <V3.01', 'Schneider Electric Modicon Quantum', 'Schneider Electric Modicon Premium', 'Schneider Electric Modicon M580 <V2.80']

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-6819",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6819"
    }
  },
  "description": "Modicon M340\u662f\u4e00\u6b3e\u590d\u6742\u8bbe\u5907\u548c\u4e2d\u5c0f\u578b\u9879\u76ee\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon Premium\u662f\u4e00\u6b3e\u590d\u6742\u63a7\u5236\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon Quantum\u662f\u4e00\u6b3e\u8fc7\u7a0b\u63a7\u5236\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon M580\u662f\u4e00\u6b3e\u53ef\u7f16\u7a0b\u81ea\u52a8\u5316\u63a7\u5236\u5668(PAC)\u3002\n\nModicon M580/M340/Premium/Quantum\u5b58\u5728\u5f02\u5e38\u60c5\u51b5\u68c0\u67e5\u4e0d\u5f53\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5b9aModbus\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Schneider Electric",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://download.schneider-electric.com/files?p_enDocType=Technical+leaflet\u0026p_File_Name=SEVD-2019-134-05+-+Modicon+Controller.pdf\u0026p_Doc_Ref=SEVD-2019-134-05",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-15937",
  "openTime": "2019-05-30",
  "patchDescription": "Modicon M340\u662f\u4e00\u6b3e\u590d\u6742\u8bbe\u5907\u548c\u4e2d\u5c0f\u578b\u9879\u76ee\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon Premium\u662f\u4e00\u6b3e\u590d\u6742\u63a7\u5236\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon Quantum\u662f\u4e00\u6b3e\u8fc7\u7a0b\u63a7\u5236\u53ef\u7f16\u7a0b\u63a7\u5236\u5668(PLC)\u3002Modicon M580\u662f\u4e00\u6b3e\u53ef\u7f16\u7a0b\u81ea\u52a8\u5316\u63a7\u5236\u5668(PAC)\u3002\r\n\r\nModicon M580/M340/Premium/Quantum\u5b58\u5728\u5f02\u5e38\u60c5\u51b5\u68c0\u67e5\u4e0d\u5f53\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u7279\u5b9aModbus\u5e27\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Modicon M580/M340/Premium/Quantum\u5f02\u5e38\u60c5\u51b5\u68c0\u67e5\u4e0d\u5f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Schneider Electric Modicon M340 \u003cV3.01",
      "Schneider Electric  Modicon Quantum",
      "Schneider Electric Modicon Premium",
      "Schneider Electric Modicon M580 \u003cV2.80"
    ]
  },
  "referenceLink": "https://web.nvd.nist.gov//vuln/detail/CVE-2019-6819",
  "serverity": "\u4e2d",
  "submitTime": "2019-05-22",
  "title": "Modicon M580/M340/Premium/Quantum\u5f02\u5e38\u60c5\u51b5\u68c0\u67e5\u4e0d\u5f53\u6f0f\u6d1e"
}

CVE-2019-6819 (GCVE-0-2019-6819)

Vulnerability from cvelistv5 – Published: 2019-05-22 19:45 – Updated: 2026-05-29 14:30

Summary

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-29 14:28 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

schneider mitre root

References

2 references

URL	Tags
https://www.schneider-electric.com/en/download/do…	x_refsource_MISC
http://www.securityfocus.com/bid/109004	vdb-entryx_refsource_BID

Impacted products

1 product

Vendor	Product	Version
n/a	Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium	Affected: Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T20:31:04.277Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/"
          },
          {
            "name": "109004",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/109004"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2019-6819",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-29T14:28:53.310569Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-29T14:30:11.420Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-07-03T13:06:07.000Z",
        "orgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
        "shortName": "schneider"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/"
        },
        {
          "name": "109004",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/109004"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cybersecurity@schneider-electric.com",
          "ID": "CVE-2019-6819",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "Modicon Controllers, Modicon M340 - firmware versions prior to V3.01 Modicon M580 - firmware versions prior to V2.80 All firmware versions of Modicon Quantum and Modicon Premium"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/",
              "refsource": "MISC",
              "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/"
            },
            {
              "name": "109004",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/109004"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
    "assignerShortName": "schneider",
    "cveId": "CVE-2019-6819",
    "datePublished": "2019-05-22T19:45:08.000Z",
    "dateReserved": "2019-01-25T00:00:00.000Z",
    "dateUpdated": "2026-05-29T14:30:11.420Z",
    "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.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2019-15937

CVE-2019-6819 (GCVE-0-2019-6819)

Tags

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