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CVE-2021-4435

Estado: ModificadaAlta (7.8)—

An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.

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)

Yarnpkg — Yarn

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-4435",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "exploitation": "none"
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              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2025-06-17T14:29:04.160012Z"
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          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "privilegesRequired": "NONE",
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        "exploitabilityScore": 1
      },
      {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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  "published": "2024-02-04T20:15:45.657",
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      "tags": [
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      "tags": [
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "patrick@puiterwijk.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-426"
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    },
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
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          "value": "CWE-426"
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  ],
  "descriptions": [
    {
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      "value": "An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways."
    },
    {
      "lang": "es",
      "value": "Se encontró una vulnerabilidad de ruta de búsqueda no confiable en Yarn. Cuando una víctima ejecuta ciertos comandos de Yarn en un directorio con contenido controlado por un atacante, se podrían ejecutar comandos maliciosos de formas inesperadas."
    }
  ],
  "lastModified": "2026-06-17T04:19:45.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "patrick@puiterwijk.org"
}