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CVE-2020-0028

Status: ModifiedMedium (6.5)—

In notifyNetworkTested and related functions of NetworkMonitor.java, there is a possible bypass of private DNS settings. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-122652057

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-2020-0028",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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        "obtainOtherPrivilege": false,
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 2.8
      }
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  "affected": [
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      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Android",
          "versions": [
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              "version": "Android-9"
            }
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  "published": "2020-02-13T15:15:12.093",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In notifyNetworkTested and related functions of NetworkMonitor.java, there is a possible bypass of private DNS settings. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9Android ID: A-122652057"
    },
    {
      "lang": "es",
      "value": "En la función notifyNetworkTested y funciones relacionadas del archivo NetworkMonitor.java, se presenta una posible omisión de la configuración DNS privado. Esto podría conllevar a una divulgación de información remota sin ser necesarios privilegios de ejecución adicionales. Es necesaria una interacción del usuario para su explotación. Producto: Android, Versiones: Android-9, ID de Android: A-122652057."
    }
  ],
  "lastModified": "2026-06-17T02:45:05.723",
  "configurations": [
    {
      "nodes": [
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          "cpeMatch": [
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          "operator": "OR"
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  "sourceIdentifier": "security@android.com"
}