{
  "id": "CVE-2020-13940",
  "sourceIdentifier": "security@apache.org",
  "published": "2020-10-01T20:15:13.097",
  "lastModified": "2024-11-21T05:02:11.600",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Apache NiFi 1.0.0 to 1.11.4, the notification service manager and various policy authorizer and user group provider objects allowed trusted administrators to inadvertently configure a potentially malicious XML file. The XML file has the ability to make external calls to services (via XXE)."
    },
    {
      "lang": "es",
      "value": "En Apache NiFi versiones 1.0.0 hasta 1.11.4, el administrador del servicio de notificaci\u00f3n y varios objetos del autorizador de pol\u00edticas y proveedor de grupos de usuarios permitieron a los administradores confiables configurar inadvertidamente un archivo XML potencialmente malicioso. El archivo XML tiene la capacidad de hacer llamadas externas a servicios (por medio de XXE)"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.0.0",
              "versionEndIncluding": "1.11.4",
              "matchCriteriaId": "43022122-9397-48D7-BD86-925042103633"
            }
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  "references": [
    {
      "url": "https://nifi.apache.org/security#CVE-2020-13940",
      "source": "security@apache.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://nifi.apache.org/security#CVE-2020-13940",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}