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CVE-2020-15647

Status: ModifiedHigh (7.4)—

A Content Provider in Firefox for Android allowed local files accessible by the browser to be read by a remote webpage, leading to sensitive data disclosure, including cookies for other origins. This vulnerability affects Firefox for < Android.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Mozilla — Firefox

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-15647",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
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          "userInteraction": "REQUIRED",
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          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
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          "vendor": "Mozilla",
          "product": "Firefox for",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
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              "versionType": "custom"
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  "published": "2020-08-10T18:15:11.997",
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  "vulnStatus": "Modified",
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-200"
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      "lang": "en",
      "value": "A Content Provider in Firefox for Android allowed local files accessible by the browser to be read by a remote webpage, leading to sensitive data disclosure, including cookies for other origins. This vulnerability affects Firefox for < Android."
    },
    {
      "lang": "es",
      "value": "Un Proveedor de Contenido en Firefox para Android permitió que los archivos locales accesibles para el navegador fueran leídos por una página web remota, conllevando a una divulgación de datos confidenciales, incluyendo las cookies de otros orígenes. Esta vulnerabilidad afecta a Firefox para versiones anteriores a Android"
    }
  ],
  "lastModified": "2026-06-17T02:56:58.623",
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