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CVE-2020-5654

Estado: ModificadaAlta (7.5)—

Session fixation vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.

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 Iq-rd81dl96 FirmwareMitsubishielectric — Melsec Iq-rd81mes96n FirmwareMitsubishielectric — Melsec Iq-rd81opc96 FirmwareMitsubishielectric — Melsec Iq-rj71eip91 FirmwareMitsubishielectric — Melsec Iq-rj71pn92 Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
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  "affected": [
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          "vendor": "Mitsubishi Electric Corporation",
          "product": "MELSEC iQ-R series",
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              "status": "affected",
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  "published": "2020-11-02T21:15:33.837",
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      "description": [
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      "value": "Session fixation vulnerability in TCP/IP function included in the firmware of MELSEC iQ-R series (RJ71EIP91 EtherNet/IP Network Interface Module First 2 digits of serial number are '02' or before, RJ71PN92 PROFINET IO Controller Module First 2 digits of serial number are '01' or before, RD81DL96 High Speed Data Logger Module First 2 digits of serial number are '08' or before, RD81MES96N MES Interface Module First 2 digits of serial number are '04' or before, and RD81OPC96 OPC UA Server Module First 2 digits of serial number are '04' or before) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de fijación de sesión en la función TCP/IP incluida en el firmware de la serie MELSEC iQ-R (los 2 dígitos del número de serie son \"02\" o anteriores del EtherNet/IP Network Interface Module First RJ71EIP91, los 2 dígitos del número de serie es \"01\" o anteriores del PROFINET IO Controller Module First RJ71PN92, los 2 dígitos del número de serie son \"08\" o anteriores del High Speed Data Logger Module First RD81DL96, los 2 dígitos del número de serie son \"04\" o anteriores del MES Interface Module First RD81MES96N, y los primeros de 2 dígitos del número de serie son \"04\" o anteriores a OPC UA Server Module First RD81OPC96), permite a un atacante remoto no autenticado detener las funciones de red de los productos por medio de un paquete especialmente diseñado"
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  "lastModified": "2026-06-17T03:21:47.623",
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