{
  "id": "CVE-2021-20612",
  "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
  "published": "2022-01-14T20:15:09.850",
  "lastModified": "2022-01-21T18:11:10.770",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery."
    },
    {
      "lang": "es",
      "value": "Una falta de control del administrador sobre la vulnerabilidad de seguridad en la serie MELSEC-F FX3U-ENET Firmware versi\u00f3n 1.14 y anteriores, FX3U-ENET-L Firmware versi\u00f3n 1.14 y anteriores y FX3U-ENET-P502 Firmware versi\u00f3n 1.14 y anteriores permite que un atacante remoto no autenticado cause una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en la funci\u00f3n de comunicaci\u00f3n del producto u otros efectos no especificados mediante el env\u00edo de paquetes especialmente dise\u00f1ados a una apertura no necesaria del puerto TCP. El control por parte del PLC de la serie MELSEC-F no est\u00e1 afectado por esta vulnerabilidad, pero es necesario reiniciar el sistema para recuperarlo"
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          "privilegesRequired": "NONE",
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