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CVE-2021-0400

Status: ModifiedMedium (5.5)—

In injectBestLocation and handleUpdateLocation of GnssLocationProvider.java, there is a possible incorrect reporting of location data to emergency services due to improper input validation. This could lead to incorrect reporting of location data to emergency services with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-177561690

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Google — Android

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-0400",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/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": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-9 Android-10 Android-11"
            }
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        }
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    }
  ],
  "published": "2021-04-13T19:15:12.147",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2021-04-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2021-04-01",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In injectBestLocation and handleUpdateLocation of GnssLocationProvider.java, there is a possible incorrect reporting of location data to emergency services due to improper input validation. This could lead to incorrect reporting of location data to emergency services with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-177561690"
    },
    {
      "lang": "es",
      "value": "En las funciones injectBestLocation y handleUpdateLocation del archivo GnssLocationProvider.java, se presenta un posible reporte incorrecto de los datos de ubicación para los servicios de emergencia debido a una comprobación inapropiada de entrada. Esto podría conllevar a reportes incorrectos de los datos de ubicación a los servicios de emergencia con los privilegios de ejecución User necesarios. No es requerida una interacción del usuario para su explotación. Producto: Android, Versiones: Android-9 Android-10 Android-11, ID de Android: A-177561690"
    }
  ],
  "lastModified": "2026-06-17T03:29:55.260",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
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          "operator": "OR"
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  "sourceIdentifier": "security@android.com"
}