{
  "id": "CVE-2018-17780",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2018-09-29T19:29:00.237",
  "lastModified": "2018-12-06T20:25:26.323",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Telegram Desktop (aka tdesktop) 1.3.14, and Telegram 3.3.0.0 WP8.1 on Windows, leaks end-user public and private IP addresses during a call because of an unsafe default behavior in which P2P connections are accepted from clients outside of the My Contacts list."
    },
    {
      "lang": "es",
      "value": "Telegram Desktop (tambi\u00e9n conocido como tdesktop) 1.3.14 y Telegram 3.3.0.0 WP8.1 en Windows filtra las direcciones IP p\u00fablicas y privadas del usuario final durante una llamada debido a un comportamiento por defecto no seguro por el que se aceptan conexiones P2P de clientes fuera de la lista My Contacts."
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
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        "exploitabilityScore": 8.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-200"
        }
      ]
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  ],
  "configurations": [
    {
      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105521",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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    },
    {
      "url": "https://www.inputzero.io/2018/09/bug-bounty-telegram-cve-2018-17780.html",
      "source": "cve@mitre.org",
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        "Third Party Advisory"
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  ]
}