FKIE_CVE-2022-40265

Vulnerability from fkie_nvd - Published: 2022-11-30 01:15 - Updated: 2026-06-17 05:01
Severity
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version "65" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version "65" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset is required for recovery.
References
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://jvn.jp/vu/JVNVU94702422Third Party Advisory
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/vu/JVNVU94702422Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdfVendor Advisory
Impacted products
Vendor Product Version
mitsubishielectric rj71en71_firmware *
mitsubishielectric rj71en71 -
mitsubishielectric r04encpu_firmware *
mitsubishielectric r04encpu -
mitsubishielectric r08encpu_firmware *
mitsubishielectric r08encpu -
mitsubishielectric r16encpu_firmware *
mitsubishielectric r16encpu -
mitsubishielectric r32encpu_firmware *
mitsubishielectric r32encpu -
mitsubishielectric r120encpu_firmware *
mitsubishielectric r120encpu -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "MELSEC iQ-R Series RJ71EN71",
          "vendor": "Mitsubishi Electric Corporation",
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            {
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            }
          ]
        },
        {
          "product": "MELSEC iQ-R Series R04/08/16/32/120ENCPU",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "Network Part Firmware version \"65\" and prior"
            }
          ]
        }
      ],
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
    }
  ],
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Input Validation vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Firmware version \"65\" and prior and Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware version \"65\" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition by sending specially crafted packets. A system reset is required for recovery."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de Validaci\u00f3n de Entrada Incorrecta en Mitsubishi Electric Corporation MELSEC iQ-R Series RJ71EN71 Versi\u00f3n de firmware \"65\" y anteriores y Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120ENCPU Network Part Firmware versi\u00f3n \"65\" y anteriores permite una un atacante remoto no autenticado provoque una condici\u00f3n de Denegaci\u00f3n de Servicio mediante el env\u00edo de paquetes especialmente manipulados. Es necesario reiniciar el sistema para la recuperaci\u00f3n."
    }
  ],
  "id": "CVE-2022-40265",
  "lastModified": "2026-06-17T05:01:11.830",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-40265",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-24T18:44:56.498040Z",
          "version": "2.0.3"
        }
      }
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  },
  "published": "2022-11-30T01:15:09.873",
  "references": [
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/vu/JVNVU94702422"
    },
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-017_en.pdf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    }
  ],
  "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "type": "Secondary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.



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