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CVE-2022-20449

Estado: ModificadaMedia (4.4)—

En writeApplicationRestrictionsLAr de UserManagerService.java, existe una posible sobrescritura de archivos del sistema debido a un error de path traversal. Esto podría provocar una Denegación de Servicio (DoS) local con los privilegios de ejecución de System necesarios. La interacción del usuario no es necesaria para la explotación. Producto: AndroidVersiones: Android-10 Android-11 Android-12 Android-12L Android-13ID de Android: A-239701237

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Google — Android

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-20449",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-20449",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-22T14:35:25.949560Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 0.8
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "NONE"
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        "impactScore": 3.6,
        "exploitabilityScore": 0.8
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  "affected": [
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        {
          "vendor": "n/a",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-10 Android-11 Android-12 Android-12L Android-13"
            }
          ]
        }
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  ],
  "published": "2022-12-13T16:15:15.417",
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/2022-12-01",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2022-12-01",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In writeApplicationRestrictionsLAr of UserManagerService.java, there is a possible overwrite of system files due to a path traversal error. This could lead to local denial of service with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-239701237"
    },
    {
      "lang": "es",
      "value": "En writeApplicationRestrictionsLAr de UserManagerService.java, existe una posible sobrescritura de archivos del sistema debido a un error de path traversal. Esto podría provocar una Denegación de Servicio (DoS) local con los privilegios de ejecución de System necesarios. La interacción del usuario no es necesaria para la explotación. Producto: AndroidVersiones: Android-10 Android-11 Android-12 Android-12L Android-13ID de Android: A-239701237"
    }
  ],
  "lastModified": "2026-06-17T04:24:18.360",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "vulnerable": true,
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              "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"
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          "operator": "OR"
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  "sourceIdentifier": "security@android.com"
}