« Volver al listado

CVE-2020-5594

Estado: ModificadaCrítica (9.8)—

Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions contain a vulnerability that allows cleartext transmission of sensitive information between CPU modules and GX Works3 and/or GX Works2 via unspecified vectors.

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 (5)

Mitsubishielectric — Melsec-fx FirmwareMitsubishielectric — Melsec-l FirmwareMitsubishielectric — Melsec-q FirmwareMitsubishielectric — Melsec Iq-f FirmwareMitsubishielectric — Melsec Iq-r Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-5594",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules",
          "versions": [
            {
              "status": "affected",
              "version": "all versions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-06-23T08:15:10.487",
  "references": [
    {
      "url": "https://jvn.jp/en/vu/JVNVU91424496/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-003.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-003_en.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/vu/JVNVU91424496/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-003.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-003_en.pdf",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-319"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L, and FX series CPU modules all versions contain a vulnerability that allows cleartext transmission of sensitive information between CPU modules and GX Works3 and/or GX Works2 via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Todos los módulos de CPU de las series Mitsubishi Electric MELSEC iQ-R, iQ-F, Q, L y FX, contienen una vulnerabilidad que permite la transmisión de información confidencial entre módulos de CPU y GX Works3 y/o GX Works2 por medio de vectores no especificados"
    }
  ],
  "lastModified": "2026-06-17T03:21:39.730",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mitsubishielectric:melsec_iq-r_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0F2A20BD-77FE-42A3-9AC6-597470CD1212"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mitsubishielectric:melsec_iq-r:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "71CC1A84-A51D-4E56-BA7A-9C1D21DDF8D1"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mitsubishielectric:melsec_iq-f_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1644AECC-4A04-4209-9654-668D6B3B093B"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mitsubishielectric:melsec_iq-f:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "175AA161-6775-4715-85A2-4AD426D131F5"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mitsubishielectric:melsec-q_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1047B633-7FE4-47C2-846F-5878DA5D3038"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mitsubishielectric:melsec-q:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "418EA7F6-FB8D-4192-8BEC-E34BBF98400A"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mitsubishielectric:melsec-l_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "93701E98-1A2C-45EE-933F-2FA9D803A875"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mitsubishielectric:melsec-l:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FCADAD32-6840-45C7-94E1-DD7BE0A59417"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mitsubishielectric:melsec-fx_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "25DCC54F-CA89-41BC-8C3F-89084911956D"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mitsubishielectric:melsec-fx:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "455C03F1-8A83-493D-9DAD-F7D0950105AF"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}