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CVE-2021-22350

Status: ModifiedHigh (7.5)—

There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause the device to crash and restart.

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-2021-22350",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "EMUI;Magic UI",
          "versions": [
            {
              "status": "affected",
              "version": "EMUI 11.0.0, EMUI 10.1.1"
            },
            {
              "status": "affected",
              "version": "Magic UI 4.0.0, Magic UI 3.1.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-30T21:15:09.830",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/5/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/5/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a Memory Buffer Improper Operation Limit Vulnerability in Huawei Smartphone. Successful exploitation of this vulnerability may cause the device to crash and restart."
    },
    {
      "lang": "es",
      "value": "Se presenta una Vulnerabilidad de Límite de Funcionamiento Inapropiado del Búfer de Memoria en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede causar que el dispositivo se bloquee y se reinicie"
    }
  ],
  "lastModified": "2026-06-17T03:37:02.840",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A7FF0AD1-22C2-423B-822A-E6496CEDAB02"
            },
            {
              "criteria": "cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0B701EC6-8208-4D22-95A6-B07D471A8A8B"
            },
            {
              "criteria": "cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B655712B-E86C-4BD2-8A99-AEA382C520E7"
            },
            {
              "criteria": "cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F6066FAB-23F5-4CB2-B89E-B00F8835AC39"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@huawei.com"
}