{"id":"CVE-2021-38789","aliases":["EUVD-2021-25226","GHSA-j997-wphj-qrj9"],"status":"published","title":"Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability...","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0133,"percentile":0.71462,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862","CWE-863"],"published":"2022-01-19T18:40:26Z","modified":"2026-06-17T04:02:44Z","products":[{"vendor":"allwinnertech","product":"android_q_sdk"}],"references":[{"url":"https://www.allwinnertech.com/index.php?c=product\u0026a=index\u0026id=92","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Aaw_display%20service%20has%20EoP%20Vulnerability.md","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://www.cnvd.org.cn/flaw/show/CNVD-2021-46927","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://vul.wangan.com/a/CNVD-2021-46927","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38789"},{"url":"https://github.com/advisories/GHSA-j997-wphj-qrj9"}],"sources":{"cve":[{"id":"CVE-2021-38789","description":"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.","status":"published","published":"2022-01-19T18:40:26Z","modified":"2024-08-04T01:51:20.342Z","updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25226","description":"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.","status":"published","published":"2022-01-19T18:40:26Z","modified":"2024-08-04T01:51:20Z","updated_at":"2026-11-03T03:24:24.305495Z"}],"ghsa":[{"id":"GHSA-j997-wphj-qrj9","title":"Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability...","description":"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.","status":"published","published":"2022-01-20T00:00:21Z","modified":"2023-01-27T05:01:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:41:59.85242Z"}],"nvd":[{"id":"CVE-2021-38789","description":"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.","status":"published","published":"2022-01-19T19:15:07.903Z","modified":"2026-06-17T04:02:44.12Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}