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CVE-2018-6347

Estado: ModificadaAlta (7.5)—

An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Proxygen Project — Proxygen

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-6347",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2018-6347",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-06T15:53:22.054940Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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    "cvssMetricV30": [
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        "cvssData": {
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
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          "confidentialityImpact": "NONE"
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  "affected": [
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      "affectedData": [
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          "vendor": "Facebook",
          "product": "Proxygen",
          "versions": [
            {
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              "version": "v2018.12.31.00"
            },
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom",
              "lessThanOrEqual": "v2018.12.31.00"
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  "published": "2018-12-31T22:29:00.687",
  "references": [
    {
      "url": "https://github.com/facebook/proxygen/commit/223e0aa6bc7590e86af1e917185a2e0efe160711",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
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    },
    {
      "url": "https://github.com/facebook/proxygen/commit/223e0aa6bc7590e86af1e917185a2e0efe160711",
      "tags": [
        "Patch",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve-assign@fb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in the Proxygen handling of HTTP2 parsing of headers/trailers can lead to a denial-of-service attack. This affects Proxygen prior to v2018.12.31.00."
    },
    {
      "lang": "es",
      "value": "Un problema en la manera en la que Proxygen maneja el análisis HTTP2 de cabeceras/trailers puede provocar un ataque de denegación de servicio (DoS). Esto afecta a las versiones de Proxygen anteriores a la v2018.12.31.00."
    }
  ],
  "lastModified": "2026-06-17T02:01:43.047",
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}