FKIE_CVE-2021-37086

Vulnerability from fkie_nvd - Published: 2021-12-07 17:15 - Updated: 2026-06-17 03:59
Severity
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Summary
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.
References
psirt@huawei.comhttps://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory
Impacted products
Vendor Product Version
huawei harmonyos *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "HarmonyOS",
          "vendor": "Huawei",
          "versions": [
            {
              "status": "affected",
              "version": "2.0"
            }
          ]
        }
      ],
      "source": "psirt@huawei.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "84A0CF45-FF48-42DF-9063-34AB6CA4FE12",
              "versionEndExcluding": "2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 Preservaci\u00f3n Inapropiada de Permisos en el Smartphone de Huawei. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad puede conllevar a que atacantes puedan aislar y leer archivos de sincronizaci\u00f3n de otras aplicaciones mediante el sandbox UID"
    }
  ],
  "id": "CVE-2021-37086",
  "lastModified": "2026-06-17T03:59:56.893",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-12-07T17:15:09.567",
  "references": [
    {
      "source": "psirt@huawei.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727"
    }
  ],
  "sourceIdentifier": "psirt@huawei.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-281"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.