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CVE-2021-42540

Estado: ModificadaAlta (8.8)—

The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.

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 (3)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-42540",
  "cveTags": [],
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      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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        "source": "ics-cert@hq.dhs.gov",
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          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "availabilityImpact": "HIGH",
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          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 2.1
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  "affected": [
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      "source": "ics-cert@hq.dhs.gov",
      "affectedData": [
        {
          "vendor": "Emerson",
          "product": "WirelessHART Gateway",
          "versions": [
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              "status": "affected",
              "version": "1410",
              "versionType": "custom",
              "lessThanOrEqual": "4.7.94"
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              "version": "1420",
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  ],
  "published": "2021-10-22T14:15:08.933",
  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
      "tags": [
        "Patch",
        "Third Party Advisory",
        "US Government Resource"
      ],
      "source": "ics-cert@hq.dhs.gov"
    },
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02",
      "tags": [
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        "Third Party Advisory",
        "US Government Resource"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "ics-cert@hq.dhs.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-123"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality."
    },
    {
      "lang": "es",
      "value": "El producto afectado es vulnerable a una carpeta de extracción no saneada para la configuración del sistema. Un usuario con pocos privilegios puede aprovechar esta lógica para sobrescribir la configuración y otras funcionalidades clave"
    }
  ],
  "lastModified": "2026-06-17T04:09:47.650",
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}