{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:elastic:x-pack:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E741770-9008-443C-8CDE-98FB54AB3762",
              "versionEndIncluding": "5.2.2",
              "versionStartIncluding": "5.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "X-Pack Security 5.2.x would allow access to more fields than the user should have seen if the field level security rules used a mix of grant and exclude rules when merging multiple rules with field level security rules for the same index."
    },
    {
      "lang": "es",
      "value": "X-Pack Security 5.2.x permitir\u00eda el acceso a m\u00e1s campos de los que el usuario deber\u00eda haber visto si las reglas de seguridad a nivel de campo empleasen una combinaci\u00f3n de reglas grant y exclude al combinar m\u00faltiples reglas con reglas de seguridad a nivel de campo para el mismo \u00edndice. 1763-L16BBB, series A y B, en versiones 16.00 y anteriores; 1763-L16BWA, series A y B, en versiones 16.00 y anteriores; 1763-L16DWD, series A y B, en versiones 16.00 y anteriores; y los controladores l\u00f3gicos programables Allen-Bradley MicroLogix 1400 1766-L32AWA, series A y B, en versiones 16.00 y anteriores; 1766-L32BWA, series A y B, en versiones 16.00 y anteriores; 1766-L32BWAA, series A y B, en versiones 16.00 y anteriores; 1766-L32BXB, series A y B, en versiones 16.00 y anteriores; 1766-L32BXBA, series A y B, en versiones 16.00 y anteriores; y 1766-L32AWAA, series A y B, en versiones 16.00 y anteriores. Se generan n\u00fameros de secuencia inicial TCP que no son lo suficientemente aleatorios, lo que podr\u00eda permitir que un atacante prediga los n\u00fameros de valores anteriores. Esto podr\u00eda permitir que un atacante suplante o interrumpa las conexiones TCP, lo que resulta en una denegaci\u00f3n de servicio (DoS) para el dispositivo objetivo."
    }
  ],
  "id": "CVE-2017-8449",
  "lastModified": "2025-04-20T01:37:25.860",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-06-16T21:29:00.603",
  "references": [
    {
      "source": "security@elastic.co",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.elastic.co/community/security"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.elastic.co/community/security"
    }
  ],
  "sourceIdentifier": "security@elastic.co",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-732"
        }
      ],
      "source": "security@elastic.co",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}