{
  "id": "CVE-2021-22999",
  "sourceIdentifier": "f5sirt@f5.com",
  "published": "2021-03-31T18:15:15.160",
  "lastModified": "2021-04-05T17:55:17.197",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "On versions 15.0.x before 15.1.0 and 14.1.x before 14.1.4, the BIG-IP system provides an option to connect HTTP/2 clients to HTTP/1.x servers. When a client is slow to accept responses and it closes a connection prematurely, the BIG-IP system may indefinitely retain some streams unclosed. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."
    },
    {
      "lang": "es",
      "value": "En las versiones 15.0.x anteriores a 15.1.0 y 14.1.x anteriores a 14.1.4, el sistema BIG-IP ofrece una opci\u00f3n para conectar clientes HTTP/2 a servidores HTTP/1.x. Cuando un cliente tarda en aceptar respuestas y cierra una conexi\u00f3n prematuramente, el sistema BIG-IP puede retener indefinidamente algunos flujos sin cerrar. Nota: No se eval\u00faan las versiones de software que han alcanzado End of Software Development (EoSD)."
    }
  ],
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        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
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        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  "references": [
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      "url": "https://support.f5.com/csp/article/K02333782",
      "source": "f5sirt@f5.com",
      "tags": [
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}