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CVE-2021-34262

Estado: ModificadaMedia (6.8)—

A buffer overflow vulnerability in the USBH_ParseEPDesc() function of STMicroelectronics STM32Cube Middleware v1.8.0 and below allows attackers to execute arbitrary code.

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)

ST — Stm32cube Middleware

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-34262",
  "cveTags": [],
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
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        },
        "acInsufInfo": false,
        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "privilegesRequired": "NONE",
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  "affected": [
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      "affectedData": [
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  "published": "2021-07-22T20:15:08.253",
  "references": [
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      "url": "https://github.com/STMicroelectronics/STM32CubeH7/issues/81",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-120"
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  "descriptions": [
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    },
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      "lang": "es",
      "value": "Una vulnerabilidad de desbordamiento de búfer en la función USBH_ParseEPDesc() de STMicroelectronics STM32Cube Middleware versiones v1.8.0 y por debajo, permite a atacantes ejecutar código arbitrario"
    }
  ],
  "lastModified": "2026-06-17T03:55:35.340",
  "configurations": [
    {
      "nodes": [
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