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CVE-2021-23244

Estado: ModificadaAlta (7.8)—

ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission.

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)

Oppo — Coloros

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-23244",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@oppo.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "OPPO Android Phone",
          "versions": [
            {
              "status": "affected",
              "version": "OPPO Mobile phones with ColorOS 11 version"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-27T19:15:08.107",
  "references": [
    {
      "url": "https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1474214753353342976",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@oppo.com"
    },
    {
      "url": "https://security.oppo.com/en/noticeDetail?notice_only_key=NOTICE-1474214753353342976",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ColorOS pregrant dangerous permissions to apps which are listed in a whitelist xml named default-grant-permissions.But some apps in whitelist is not installed, attacker can disguise app with the same package name to obtain dangerous permission."
    },
    {
      "lang": "es",
      "value": "ColorOS preconcede permisos peligrosos a las aplicaciones que figuran en una lista blanca xml denominada default-grant-permissions.Pero algunas aplicaciones de la lista blanca no están instaladas, el atacante puede disfrazar la aplicación con el mismo nombre de paquete para obtener permisos peligrosos"
    }
  ],
  "lastModified": "2026-06-17T03:38:28.400",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:oppo:coloros:11:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C77E7576-E97F-4FD8-93EB-ECC36EFF1760"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@oppo.com"
}