{
  "id": "CVE-2021-22418",
  "sourceIdentifier": "psirt@huawei.com",
  "published": "2021-08-03T18:15:08.050",
  "lastModified": "2021-08-11T13:25:01.420",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "A component of the HarmonyOS has a Integer Overflow or Wraparound vulnerability. Local attackers may exploit this vulnerability to cause memory overwriting."
    },
    {
      "lang": "es",
      "value": "Un componente de HarmonyOS presenta una vulnerabilidad de Desbordamiento de Enteros o Wraparound. Unos atacantes locales pueden explotar esta vulnerabilidad para causar una sobrescritura de memoria"
    }
  ],
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        "type": "Primary",
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          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9
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          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-190"
        }
      ]
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  "references": [
    {
      "url": "https://device.harmonyos.com/cn/docs/security/update/oem_security_update_phone_202106-0000001165452077",
      "source": "psirt@huawei.com",
      "tags": [
        "Not Applicable",
        "Vendor Advisory"
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}