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CVE-2021-37086

Estado: ModificadaAlta (8.6)—

Se presenta una vulnerabilidad de Preservación Inapropiada de Permisos en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede conllevar a que atacantes puedan aislar y leer archivos de sincronización de otras aplicaciones mediante el sandbox UID

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 (1)

Huawei — Harmonyos

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-37086",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "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": "CHANGED",
          "version": "3.1",
          "baseScore": 8.6,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "Huawei",
          "product": "HarmonyOS",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-07T17:15:09.567",
  "references": [
    {
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-281"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de Preservación Inapropiada de Permisos en el Smartphone de Huawei. Una explotación con éxito de esta vulnerabilidad puede conllevar a que atacantes puedan aislar y leer archivos de sincronización de otras aplicaciones mediante el sandbox UID"
    }
  ],
  "lastModified": "2026-06-17T03:59:56.893",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "84A0CF45-FF48-42DF-9063-34AB6CA4FE12",
              "versionEndExcluding": "2.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@huawei.com"
}