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CVE-2021-20590

Estado: ModificadaAlta (7.5)—

Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior, GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the "VNC server" function is used.

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 (6)

CWE

Referencias

JSON original (NVD)

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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 2.9,
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        "exploitabilityScore": 8.6,
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          "userInteraction": "NONE",
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  "published": "2021-04-22T19:15:07.363",
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      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"
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      "description": [
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          "lang": "en",
          "value": "CWE-287"
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      "lang": "en",
      "value": "Improper authentication vulnerability in GOT2000 series GT27 model VNC server versions 01.39.010 and prior, GOT2000 series GT25 model VNC server versions 01.39.010 and prior, GOT2000 series GT21 model GT2107-WTBD VNC server versions 01.40.000 and prior, GOT2000 series GT21 model GT2107-WTSD VNC server versions 01.40.000 and prior, GOT SIMPLE series GS21 model GS2110-WTBD-N VNC server versions 01.40.000 and prior and GOT SIMPLE series GS21 model GS2107-WTBD-N VNC server versions 01.40.000 and prior allows a remote unauthenticated attacker to gain unauthorized access via specially crafted packets when the \"VNC server\" function is used."
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      "lang": "es",
      "value": "Vulnerabilidad de autenticación inadecuada en el servidor VNC de la serie GOT2000 modelo GT27 versiones 01.39.010 y anteriores, servidor VNC de la serie GOT2000 modelo GT25 versiones 01.39.010 y anteriores, servidor VNC de la serie GOT2000 modelo GT2107-WTBD versiones 01.40.000 y anteriores, servidor VNC de la serie GOT2000 modelo GT2107-WTSD versiones 01.40. 000 y anteriores, el servidor VNC de la serie GOT SIMPLE GS21 modelo GS2110-WTBD-N versiones 01.40.000 y anteriores y el servidor VNC de la serie GOT SIMPLE GS21 modelo GS2107-WTBD-N versiones 01.40.000 y anteriores permite a un atacante remoto no autenticado obtener acceso no autorizado a través de paquetes especialmente diseñados cuando se utiliza la función \"servidor VNC\"."
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  "lastModified": "2026-06-17T03:34:04.550",
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