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CVE-2021-40026

Estado: ModificadaAlta (7.5)—

There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.

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)

Huawei — EmuiHuawei — HarmonyosHuawei — Magic UI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2021-40026",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "userInteraction": "NONE",
          "attackComplexity": "LOW",
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  "affected": [
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      "affectedData": [
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          "vendor": "Huawei",
          "product": "EMUI",
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  "published": "2022-01-10T14:10:21.760",
  "references": [
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      "tags": [
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      "source": "psirt@huawei.com"
    },
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      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331",
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      "source": "psirt@huawei.com"
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    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2022/1/",
      "tags": [
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    },
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      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de desbordamiento de búfer en la región Heap de la memoria en el módulo AOD de los smartphones. Una explotación con éxito de esta vulnerabilidad puede afectar la integridad del servicio"
    }
  ],
  "lastModified": "2026-06-17T04:06:24.923",
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