{
  "id": "CVE-2021-21322",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2021-03-02T04:15:12.597",
  "lastModified": "2024-11-21T05:48:01.163",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "fastify-http-proxy is an npm package which is a fastify plugin for proxying your http requests to another server, with hooks. By crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is `/pub/`, a user expect that accessing `/priv` on the target service would not be possible. In affected versions, it is possible. This is fixed in version 4.3.1."
    },
    {
      "lang": "es",
      "value": "fastify-http-proxy es un paquete npm que es un plugin fastify para enviar sus peticiones http a otro servidor, con hooks. Al dise\u00f1ar una URL espec\u00edfica, es posible escapar el prefijo del servicio del backend proxy. Si la URL base del servidor proxy es \"/pub/\", un usuario espera que no sea posible acceder a \"/priv\" en el servicio objetivo. En versiones afectadas, es posible. Esto es corregido en la versi\u00f3n 4.3.1"
    }
  ],
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        "type": "Secondary",
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          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
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        "exploitabilityScore": 3.9,
        "impactScore": 5.8
      },
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        "type": "Primary",
        "cvssData": {
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          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
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      "source": "security-advisories@github.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
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        {
          "operator": "OR",
          "negate": false,
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              "matchCriteriaId": "28A04538-96DA-4BA0-8426-63EA334430C4"
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  "references": [
    {
      "url": "https://github.com/fastify/fastify-http-proxy/commit/02d9b43c770aa16bc44470edecfaeb7c17985016",
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