« Volver al listado

CVE-2021-38789

Estado: ModificadaAlta (7.5)—

Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability that does not check the caller's permission, in which a third-party app could change system settings.

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)

Allwinnertech — Android Q SDK

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-38789",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-19T19:15:07.903",
  "references": [
    {
      "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Aaw_display%20service%20has%20EoP%20Vulnerability.md",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://vul.wangan.com/a/CNVD-2021-46927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-46927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Aaw_display%20service%20has%20EoP%20Vulnerability.md",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://vul.wangan.com/a/CNVD-2021-46927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.allwinnertech.com/index.php?c=product&a=index&id=92",
      "tags": [
        "Product",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2021-46927",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability that does not check the caller's permission, in which a third-party app could change system settings."
    },
    {
      "lang": "es",
      "value": "Allwinner R818 SoC Android Q SDK versión V1.0, está afectado por una vulnerabilidad de control de acceso incorrecto que no comprueba el permiso de la persona que llama, en la que una aplicación de terceros podría cambiar la configuración del sistema"
    }
  ],
  "lastModified": "2026-06-17T04:02:44.120",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "355226B3-ADD7-494E-958A-991E1EEC1CA1"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "73BC23F9-2A4B-44E4-8363-F405E26AE61C"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}