{
  "GSD": {
    "alias": "CVE-2023-21091",
    "id": "GSD-2023-21091"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-21091"
      ],
      "details": "In canDisplayLocalUi of AppLocalePickerActivity.java, there is a possible way to change system app locales due to a missing permission check. This could lead to local denial of service across user boundaries with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-257954050",
      "id": "GSD-2023-21091",
      "modified": "2023-12-13T01:20:25.460621Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ASSIGNER": "security@android.com",
        "ID": "CVE-2023-21091",
        "STATE": "PUBLIC"
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      "affects": {
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              "product": {
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                    "product_name": "Android",
                    "version": {
                      "version_data": [
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                          "version_value": "Android-13"
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              "vendor_name": "n/a"
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      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
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            "lang": "eng",
            "value": "In canDisplayLocalUi of AppLocalePickerActivity.java, there is a possible way to change system app locales due to a missing permission check. This could lead to local denial of service across user boundaries with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-257954050"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Denial of service"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://source.android.com/security/bulletin/2023-04-01",
            "refsource": "MISC",
            "url": "https://source.android.com/security/bulletin/2023-04-01"
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                "vulnerable": true
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      "cve": {
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          "ASSIGNER": "security@android.com",
          "ID": "CVE-2023-21091"
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        "data_type": "CVE",
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        "description": {
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              "value": "In canDisplayLocalUi of AppLocalePickerActivity.java, there is a possible way to change system app locales due to a missing permission check. This could lead to local denial of service across user boundaries with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-257954050"
            }
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        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-862"
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              ]
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        "references": {
          "reference_data": [
            {
              "name": "https://source.android.com/security/bulletin/2023-04-01",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://source.android.com/security/bulletin/2023-04-01"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-25T22:14Z",
      "publishedDate": "2023-04-19T20:15Z"
    }
  }
}