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CVE-2021-20839

Estado: ModificadaMedia (6.5)—

Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document.

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 (1)

CWE

Referencias

JSON original (NVD)

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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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          "userInteraction": "REQUIRED",
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  "affected": [
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      "affectedData": [
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          "vendor": "Antenna House, Inc.",
          "product": "Office Server Document Converter",
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              "version": "V7.2MR4 and earlier and V7.1MR7 and earlier"
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  "published": "2021-11-01T02:15:06.923",
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      "tags": [
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          "value": "CWE-611"
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      "lang": "en",
      "value": "Office Server Document Converter V7.2MR4 and earlier and V7.1MR7 and earlier allows a remote unauthenticated attacker to conduct an XML External Entity (XXE) attack to cause a denial of service (DoS) condition to the other servers by processing a specially crafted XML document."
    },
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      "lang": "es",
      "value": "Office Server Document Converter versiones V7.2MR4 y anteriores y versiones V7.1MR7 y anteriores, permiten a un atacante remoto no autenticado llevar a cabo un ataque de tipo XML External Entity (XXE) para causar una condición de denegación de servicio (DoS) a los otros servidores al procesar un documento XML especialmente diseñado"
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  "lastModified": "2026-06-17T03:34:31.323",
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