{
  "id": "CVE-2021-42141",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2024-01-22T23:15:08.120",
  "lastModified": "2024-11-21T06:27:20.747",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Contiki-NG tinyDTLS through 2018-08-30. One incorrect handshake could complete with different epoch numbers in the packets Client_Hello, Client_key_exchange, and Change_cipher_spec, which may cause denial of service."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Contiki-NG tinyDTLS hasta el 30 de agosto de 2018. Un protocolo de enlace incorrecto podr\u00eda completarse con diferentes n\u00fameros de \u00e9poca en los paquetes Client_Hello, Client_key_exchange y Change_cipher_spec, lo que puede provocar una denegaci\u00f3n de servicio."
    }
  ],
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        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
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  "weaknesses": [
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      "type": "Primary",
      "description": [
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          "value": "CWE-755"
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  "references": [
    {
      "url": "http://packetstormsecurity.com/files/176625/Contiki-NG-tinyDTLS-Denial-Of-Service.html",
      "source": "cve@mitre.org",
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