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CVE-2021-22488

Estado: ModificadaAlta (7.5)—

There is an Unauthorized file access vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability by modifying soft links may tamper with the files restored from backups.

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)

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{
  "id": "CVE-2021-22488",
  "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,
        "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:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "EMUI",
          "versions": [
            {
              "status": "affected",
              "version": "11.0.0"
            },
            {
              "status": "affected",
              "version": "10.1.1"
            }
          ]
        },
        {
          "vendor": "Huawei",
          "product": "Magic UI",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.0"
            },
            {
              "status": "affected",
              "version": "3.1.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-28T13:15:10.227",
  "references": [
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/7/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://consumer.huawei.com/en/support/bulletin/2021/7/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is an Unauthorized file access vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability by modifying soft links may tamper with the files restored from backups."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de acceso No autorizado a archivos en Huawei Smartphone. Una explotación con éxito de esta vulnerabilidad al modificar los enlaces blandos puede alterar los archivos restaurados de las copias de seguridad"
    }
  ],
  "lastModified": "2026-06-17T03:37:18.750",
  "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"
}