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CVE-2017-12623

Estado: ModificadaMedia (6.5)—

Un usuario autorizado podría subir una plantilla que contenga código malicioso y que acceda a archivos sensibles mediante un ataque XEE (XML External Entity). La solución para manejar entidades externas XML se aplicó en la distribución 1.4.0 de Apache NiFi. Los usuarios que ejecuten una distribución 1.x anterior deben actualizarla a la distribución adecuada.

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)

Apache — Nifi

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-12623",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@apache.org",
      "affectedData": [
        {
          "vendor": "Apache Software Foundation",
          "product": "Apache NiFi",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0 to 1.3.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-10-10T18:29:00.197",
  "references": [
    {
      "url": "https://nifi.apache.org/security.html#CVE-2017-12623",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@apache.org"
    },
    {
      "url": "https://nifi.apache.org/security.html#CVE-2017-12623",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authorized user could upload a template which contained malicious code and accessed sensitive files via an XML External Entity (XXE) attack. The fix to properly handle XML External Entities was applied on the Apache NiFi 1.4.0 release. Users running a prior 1.x release should upgrade to the appropriate release."
    },
    {
      "lang": "es",
      "value": "Un usuario autorizado podría subir una plantilla que contenga código malicioso y que acceda a archivos sensibles mediante un ataque XEE (XML External Entity). La solución para manejar entidades externas XML se aplicó en la distribución 1.4.0 de Apache NiFi. Los usuarios que ejecuten una distribución 1.x anterior deben actualizarla a la distribución adecuada."
    }
  ],
  "lastModified": "2026-06-17T01:03:39.140",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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}