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CVE-2017-16905

Estado: ModificadaAlta (8.1)—

The DuoLingo TinyCards application before 1.0 for Android has one use of unencrypted HTTP, which allows remote attackers to spoof content, and consequently achieve remote code execution, via a man-in-the-middle attack.

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)

Duolingo — Tinycards

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-16905",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
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  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
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  "published": "2018-01-05T08:29:00.470",
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    {
      "url": "https://hackerone.com/reports/281605",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://wwws.nightwatchcybersecurity.com/2018/01/04/rce-in-duolingos-tinycards-app-for-android-cve-2017-16905/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
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    {
      "url": "https://hackerone.com/reports/281605",
      "tags": [
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://wwws.nightwatchcybersecurity.com/2018/01/04/rce-in-duolingos-tinycards-app-for-android-cve-2017-16905/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The DuoLingo TinyCards application before 1.0 for Android has one use of unencrypted HTTP, which allows remote attackers to spoof content, and consequently achieve remote code execution, via a man-in-the-middle attack."
    },
    {
      "lang": "es",
      "value": "Las versiones anteriores a la 1.0 de DuoLingo TinyCards para Android tiene un uso de HTTP sin cifrar. Esto permite que atacantes remotos suplanten contenido y, por consiguiente, logren la ejecución remota de código mediante un ataque Man-in-the-Middle (MitM)."
    }
  ],
  "lastModified": "2026-06-17T01:10:07.553",
  "configurations": [
    {
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}