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CVE-2023-30581

Estado: ModificadaAlta (7.5)—

The use of __proto__ in process.mainModule.__proto__.require() can bypass the policy mechanism and require modules outside of the policy.json definition. This vulnerability affects all users using the experimental policy mechanism in all active release lines: v16, v18 and, v20.

Please note that at the time this CVE was issued, the policy is an experimental feature of Node.js

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)

Nodejs — Node.js

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2023-30581",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-30581",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-06-05T14:18:07.496118Z"
        }
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "exploitabilityScore": 3.9
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      "source": "support@hackerone.com",
      "affectedData": [
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          "product": "Node",
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              "version": "4.0",
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              "status": "affected",
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              "version": "17.0",
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            },
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              "version": "19.0",
              "lessThan": "19.*",
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              "status": "affected",
              "version": "20.0",
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  "published": "2023-11-23T00:15:07.980",
  "references": [
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2023-security-releases",
      "tags": [
        "Release Notes"
      ],
      "source": "support@hackerone.com"
    },
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2023-security-releases",
      "tags": [
        "Release Notes"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "value": "NVD-CWE-noinfo"
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    {
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-862"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The use of __proto__ in process.mainModule.__proto__.require() can bypass the policy mechanism and require modules outside of the policy.json definition. This vulnerability affects all users using the experimental policy mechanism in all active release lines: v16, v18 and, v20.\n\nPlease note that at the time this CVE was issued, the policy is an experimental feature of Node.js"
    },
    {
      "lang": "es",
      "value": "El uso de __proto__ en process.mainModule.__proto__.require() puede omitir el mecanismo de políticas y requerir módulos fuera de la definición de policy.json. Esta vulnerabilidad afecta a todos los usuarios que utilizan el mecanismo de política experimental en todas las líneas de lanzamiento activas: v16, v18 y v20. Tenga en cuenta que en el momento en que se emitió este CVE, la política era una característica experimental de Node.js."
    }
  ],
  "lastModified": "2026-06-17T05:55:03.993",
  "configurations": [
    {
      "nodes": [
        {
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}