{
  "id": "CVE-2024-39891",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2024-07-02T18:15:03.447",
  "lastModified": "2024-07-24T14:38:43.270",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "cisaExploitAdd": "2024-07-23",
  "cisaActionDue": "2024-08-13",
  "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Twilio Authy Information Disclosure Vulnerability",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accepted a stream of requests containing phone numbers, and responded with information about whether each phone number was registered with Authy. (Authy accounts were not compromised, however.)"
    },
    {
      "lang": "es",
      "value": "En la API de Twilio Authy, a la que acced\u00eda Authy Android antes de 25.1.0 y Authy iOS antes de 26.1.0, un endpoint no autenticado proporcionaba acceso a ciertos datos de n\u00fameros de tel\u00e9fono. (Sin embargo, las cuentas de Authy no se vieron comprometidas)."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 3.9,
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          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
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          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
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          "value": "CWE-203"
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      "url": "https://www.bleepingcomputer.com/news/security/hackers-abused-api-to-verify-millions-of-authy-mfa-phone-numbers/",
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      "tags": [
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