FKIE_CVE-2021-39796

Vulnerability from fkie_nvd - Published: 2022-04-12 17:15 - Updated: 2026-06-17 04:04
Severity
7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Summary
In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291
References
security@android.comhttps://source.android.com/security/bulletin/2022-04-01Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2022-04-01Vendor Advisory
Impacted products
Vendor Product Version
google android 10.0
google android 11.0
google android 12.0
google android 12.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Android",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Android-10 Android-11 Android-12 Android-12L"
            }
          ]
        }
      ],
      "source": "security@android.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "C64C1583-CDE0-4C1F-BDE6-05643C1BDD72",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In HarmfulAppWarningActivity of HarmfulAppWarningActivity.java, there is a possible way to trick victim to install harmful app due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-205595291"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n  HarmfulAppWarningActivity del archivo HarmfulAppWarningActivity.java, se presenta una posible forma de enga\u00f1ar a la v\u00edctima para que instale la aplicaci\u00f3n da\u00f1ina mediante un ataque de tapjacking/overlay. Esto podr\u00eda conllevar a una escalada local de privilegios con los privilegios de ejecuci\u00f3n User necesarios. Es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-10 Android-11 Android-12 Android-12L, ID de Android: A-205595291"
    }
  ],
  "id": "CVE-2021-39796",
  "lastModified": "2026-06-17T04:04:10.360",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-04-12T17:15:08.167",
  "references": [
    {
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2022-04-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2022-04-01"
    }
  ],
  "sourceIdentifier": "security@android.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1021"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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