« Volver al listado

CVE-2019-6821

Estado: ModificadaMedia (6.5)—

CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (4)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-6821",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cybersecurity@se.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Modicon Controllers, Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum",
          "versions": [
            {
              "status": "affected",
              "version": "Modicon Controllers, Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-05-22T20:29:02.183",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/108366",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-136-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-03/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cybersecurity@se.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/108366",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://ics-cert.us-cert.gov/advisories/ICSA-19-136-01",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.schneider-electric.com/en/download/document/SEVD-2019-134-03/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cybersecurity@se.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "CWE-330: Use of Insufficiently Random Values vulnerability, which could cause the hijacking of the TCP connection when using Ethernet communication in Modicon M580 firmware versions prior to V2.30, and all firmware versions of Modicon M340, Modicon Premium, Modicon Quantum."
    },
    {
      "lang": "es",
      "value": "Una CWE-330: Una vulnerabilidad de Uso Insuficientes de  valores aleatorios, podría generar el secuestro de la conexión TCP cuando se utiliza el protocolo de comunicación Ethernet en Modicon M580 versiones de firmware anteriores a V2.30, y todas las versiones de firmware de Modicon M340, Modicon Premium, Modicon Quantum."
    }
  ],
  "lastModified": "2026-06-17T02:39:44.433",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6C29962C-3387-47C9-AA01-76AF84E4D4A0",
              "versionEndExcluding": "2.30"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E876C738-ABF6-4864-98A6-1E06E96A0DF4"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "05CBA9AD-ECB7-453F-8551-DD176FDE8043"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "138681A2-0146-492B-8E10-06849FC27C6E"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "745CC7A7-70FB-4551-8EBF-600B7A6236D7"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A9B7CEF7-B9BA-4923-808F-DA2931569EBB"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "619CFD8D-9652-4AAB-AFC4-796B3F10F61F"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "F00936E2-E6EF-4ABF-8666-7D83BE424F42"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cybersecurity@se.com"
}