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CVE-2021-20599

Estado: ModificadaAlta (7.5)—

Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions "26" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions "11" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password.

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 (8)

CWE

Referencias

JSON original (NVD)

Mostrar
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      "lang": "en",
      "value": "Cleartext Transmission of Sensitive InformationCleartext transmission of sensitive information vulnerability in MELSEC iQ-R series Safety CPU R08/16/32/120SFCPU firmware versions \"26\" and prior and MELSEC iQ-R series SIL2 Process CPU R08/16/32/120PSFCPU firmware versions \"11\" and prior allows a remote unauthenticated attacker to login to a target CPU module by obtaining credentials other than password."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de transmisión de texto claro de información sensible en las versiones de firmware \"26\" y anteriores de la CPU de seguridad R08/16/32/120SFCPU de la serie iQ-R de MELSEC y en la CPU de proceso SIL2 R08/16/32/120PSFCPU de la serie iQ-R de MELSEC, en todas sus versiones, permite que un atacante remoto no autenticado inicie sesión en un módulo de CPU objetivo obteniendo credenciales distintas de la contraseña"
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  "lastModified": "2026-06-17T03:34:05.783",
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