{
  "id": "CVE-2021-43801",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2021-12-13T20:15:07.577",
  "lastModified": "2021-12-15T21:46:47.657",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Mercurius is a GraphQL adapter for Fastify. Any users from Mercurius@8.10.0 to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler. The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2. As a workaround users may use a custom error handler."
    },
    {
      "lang": "es",
      "value": "Mercurius es un adaptador GraphQL para Fastify. Cualquier usuario de Mercurius@ versiones 8.10.0 a 8.11.1, est\u00e1 sujeto a un ataque de denegaci\u00f3n de servicio mediante el env\u00edo de un JSON malformado a \"/graphql\" a menos que est\u00e9 usando un administrador de errores personalizado. La vulnerabilidad ha sido corregida en https://github.com/mercurius-js/mercurius/pull/678 y ha sido distribuida en la versi\u00f3n 8.11.2. Como soluci\u00f3n, los usuarios pueden usar un administrador de errores personalizado"
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 3.9,
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          "accessVector": "NETWORK",
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          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
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      "source": "security-advisories@github.com",
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      "description": [
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    {
      "url": "https://github.com/mercurius-js/mercurius/issues/677",
      "source": "security-advisories@github.com",
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        "Issue Tracking",
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      "url": "https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7b173dcd2d141d54b223",
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      "url": "https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3x",
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}