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CVE-2016-1947

Estado: ModificadaMedia (4.7)—

Mozilla Firefox 43.x no maneja adecuadamente los intentos de conexión al servicio Application Reputation, lo que hace que sea más fácil para atacantes remotos desencadenar una descarga involuntaria , aprovechando la ausencia de datos de reputación.

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 (4)

Canonical — Ubuntu LinuxMozilla — FirefoxOpensuse — LeapOpensuse — Opensuse

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-1947",
  "cveTags": [],
  "metrics": {
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 4.7,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@mozilla.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
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  "published": "2016-01-31T18:59:13.387",
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      "source": "security@mozilla.org"
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      "tags": [
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      "source": "security@mozilla.org"
    },
    {
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "http://www.securityfocus.com/bid/81949",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    },
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    },
    {
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      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-19"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mozilla Firefox 43.x mishandles attempts to connect to the Application Reputation service, which makes it easier for remote attackers to trigger an unintended download by leveraging the absence of reputation data."
    },
    {
      "lang": "es",
      "value": "Mozilla Firefox 43.x no maneja adecuadamente los intentos de conexión al servicio Application Reputation, lo que hace que sea más fácil para atacantes remotos desencadenar una descarga involuntaria , aprovechando la ausencia de datos de reputación."
    }
  ],
  "lastModified": "2026-06-17T00:42:54.967",
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