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CVE-2024-38355

Estado: AplazadaAlta (7.3)—💥 PoC

Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `socket.io@4.6.2` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the "error" event to catch these errors.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Socket — Socket.ioAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-38355",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-38355",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-03T15:54:14.198687Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "socketio",
          "product": "socket.io",
          "versions": [
            {
              "status": "affected",
              "version": "< 2.5.1"
            },
            {
              "status": "affected",
              "version": ">= 3.0.0,< 4.6.2"
            }
          ]
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:socket:socket.io:*:*:*:*:*:node.js:*:*"
          ],
          "vendor": "socket",
          "product": "socket.io",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "2.5.1",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "3.0.0",
              "lessThan": "4.6.2",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unknown"
        }
      ]
    }
  ],
  "published": "2024-06-19T20:15:11.180",
  "references": [
    {
      "url": "https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/socketio/socket.io/security/advisories/GHSA-25hc-qcg6-38wj",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/socketio/socket.io/commit/15af22fc22bc6030fcead322c106f07640336115",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/socketio/socket.io/commit/d30630ba10562bf987f4d2b42440fc41a828119c",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/socketio/socket.io/security/advisories/GHSA-25hc-qcg6-38wj",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.vicarius.io/vsociety/posts/unhandled-exception-in-socketio-cve-2024-38355",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. This issue is fixed by commit `15af22fc22` which has been included in `socket.io@4.6.2` (released in May 2023). The fix was backported in the 2.x branch as well with commit `d30630ba10`. Users are advised to upgrade. Users unable to upgrade may attach a listener for the \"error\" event to catch these errors.\n"
    },
    {
      "lang": "es",
      "value": "Socket.IO es un framework de comunicación de código abierto, en tiempo real, bidireccional y basado en eventos. Un paquete Socket.IO especialmente manipulado puede desencadenar una excepción no detectada en el servidor Socket.IO, matando así el proceso Node.js. Este problema se solucionó mediante el commit `15af22fc22` que se incluyó en `socket.io@4.6.2` (publicado en mayo de 2023). La solución también se respaldó en la rama 2.x con el commit `d30630ba10`. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar pueden adjuntar un detector del evento \"error\" para detectar estos errores."
    }
  ],
  "lastModified": "2026-06-17T07:39:58.987",
  "sourceIdentifier": "security-advisories@github.com"
}