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CVE-2021-22392

Status: ModifiedHigh (7.5)—

There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause verification bypass and directions to abnormal addresses.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Huawei — EmuiHuawei — Magic UI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-22392",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "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,
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        "obtainUserPrivilege": false,
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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          "userInteraction": "NONE",
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        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
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          "vendor": "Huawei",
          "product": "EMUI",
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              "version": "11.0.0"
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            {
              "status": "affected",
              "version": "10.1.1"
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            {
              "status": "affected",
              "version": "10.1.0"
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            {
              "status": "affected",
              "version": "10.0.0"
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            {
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              "version": "9.1.1"
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              "version": "4.0.0"
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              "version": "3.1.1"
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              "status": "affected",
              "version": "3.1.0"
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            {
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              "version": "3.0.0"
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  "published": "2021-08-02T17:15:14.033",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/6/",
      "tags": [
        "Vendor Advisory"
      ],
      "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": [
        {
          "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 verification bypass and directions to abnormal addresses."
    },
    {
      "lang": "es",
      "value": "Se presenta un Cálculo Incorrecto del Tamaño del Buffer en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede causar una omisión de una comprobación y unas direcciones a direcciones anormales"
    }
  ],
  "lastModified": "2026-06-17T03:37:08.807",
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}