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CVE-2021-23373

Estado: ModificadaCrítica (9.8)—
Gravedad9.8Crítica · CVSS 3.1
Probabilidad de explotación1.19 %mayor que el 68 % de las CVE
Explotación activaNono figura en el catálogo de CISA
Exploit públicoNo conocidosin código público localizado

Todas las versiones del paquete set-deep-prop son vulnerables a una Contaminación de Prototipos por medio de la función main

CVSS

Puntuación base
9.8
Versión
3.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días
1.19 %
Percentil entre todas las CVEs puntuadas
68
Fecha de la puntuación
23/10/2026

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)

Set-deep-prop Project — Set-deep-prop

CWE

Referencias

Mostrar las 2 referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-23373",
  "cveTags": [],
  "metrics": {
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        "type": "Secondary",
        "source": "report@snyk.io",
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          "version": "3.1",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 3.9
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  },
  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "set-deep-prop",
          "versions": [
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              "status": "affected",
              "version": "0",
              "lessThan": "unspecified",
              "versionType": "custom"
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  ],
  "published": "2022-07-25T14:15:10.160",
  "references": [
    {
      "url": "https://security.snyk.io/vuln/SNYK-JS-SETDEEPPROP-1083231",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
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    },
    {
      "url": "https://security.snyk.io/vuln/SNYK-JS-SETDEEPPROP-1083231",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "All versions of package set-deep-prop are vulnerable to Prototype Pollution via the main functionality."
    },
    {
      "lang": "es",
      "value": "Todas las versiones del paquete set-deep-prop son vulnerables a una Contaminación de Prototipos por medio de la función main"
    }
  ],
  "lastModified": "2026-06-17T03:38:38.640",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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          "operator": "OR"
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  "sourceIdentifier": "report@snyk.io"
}