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CVE-2021-23901

Estado: ModificadaCrítica (9.1)—

An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch versions < 1.18. XML external entity injection (also known as XXE) is a web security vulnerability that allows an attacker to interfere with an application's processing of XML data. It often allows an attacker to view files on the application server filesystem, and to interact with any back-end or external systems that the application itself can access. This issue is fixed in Apache Nutch 1.18.

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 (2)

Apache — NutchNetapp — Snap Creator Framework

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-23901",
  "cveTags": [],
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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  "published": "2021-01-25T10:16:33.470",
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  "vulnStatus": "Modified",
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      "type": "Secondary",
      "source": "security@apache.org",
      "description": [
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          "value": "CWE-611"
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  "descriptions": [
    {
      "lang": "en",
      "value": "An XML external entity (XXE) injection vulnerability was discovered in the Nutch DmozParser and is known to affect Nutch versions < 1.18. XML external entity injection (also known as XXE) is a web security vulnerability that allows an attacker to interfere with an application's processing of XML data. It often allows an attacker to view files on the application server filesystem, and to interact with any back-end or external systems that the application itself can access. This issue is fixed in Apache Nutch 1.18."
    },
    {
      "lang": "es",
      "value": "Se detectó una vulnerabilidad de inyección de XML external entity (XXE) en Nutch DmozParser y se sabe que afecta a Nutch versiones anteriores a 1.18. Una inyección de entidad externa XML (también se conoce como XXE) es una vulnerabilidad de seguridad web que permite a un atacante interferir con el procesamiento de datos XML de una aplicación. A menudo permite a un atacante visualizar archivos en el sistema de archivos del servidor de aplicaciones e interactuar con cualquier sistema del back-end o externo al que la aplicación pueda acceder. Este problema se corrigió en Apache Nutch versión 1.18"
    }
  ],
  "lastModified": "2026-06-17T03:39:00.507",
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