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CVE-2021-22391

Estado: ModificadaAlta (7.5)—

There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.

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 (2)

Huawei — EmuiHuawei — Magic UI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-22391",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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  "affected": [
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      "affectedData": [
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          "vendor": "Huawei",
          "product": "EMUI",
          "versions": [
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              "version": "11.0.0"
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            {
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              "version": "10.1.1"
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              "version": "10.1.0"
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  "published": "2021-08-02T17:15:13.983",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/6/",
      "tags": [
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      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/6/",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-131"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset."
    },
    {
      "lang": "es",
      "value": "Se presenta un Cálculo Incorrecto del Tamaño del Búfer en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede causar al sistema reiniciarse"
    }
  ],
  "lastModified": "2026-06-17T03:37:08.693",
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}