{"id":"CVE-2021-39704","aliases":["A-209965481","ASB-A-209965481","EUVD-2021-26061","GHSA-pgpc-g587-47x9"],"status":"published","title":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to...","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209965481","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00201,"percentile":0.10116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-281"],"published":"2022-03-01T00:00:00Z","modified":"2026-11-05T16:32:28Z","exploits":[{"source":"pocgithub","id":"nanopathi/framework_base_AOSP10_r33_CVE-2021-39704","title":"nanopathi/framework_base_AOSP10_r33_CVE-2021-39704","date":"2022-04-26","url":"https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-39704"}],"fixes":[{"ecosystem":"Android","package":"platform/frameworks/base","fixed_in":["11:2022-03-01","12:2022-03-01","12L:2022-03-01"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11:0"},{"fixed":"11:2022-03-01"}]}],"versions":["11"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12:0"},{"fixed":"12:2022-03-01"}]}],"versions":["12"]},{"source":"osv","ecosystem":"Android","package":"platform/frameworks/base","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"12L:0"},{"fixed":"12L:2022-03-01"}]}],"versions":["12L"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/security/bulletin/2022-03-01","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-39704"},{"url":"https://github.com/advisories/GHSA-pgpc-g587-47x9"},{"url":"https://android.googlesource.com/platform/frameworks/base/+/b925955552885a049fcbff978415612dad3e447d","tags":["fix"]}],"sources":{"cve":[{"id":"CVE-2021-39704","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209965481","status":"published","published":"2022-03-16T14:04:17Z","modified":"2024-08-04T02:13:37.838Z","updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-26061","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209965481","status":"published","published":"2022-03-16T14:04:17Z","modified":"2024-08-04T02:13:37Z","updated_at":"2026-11-03T03:24:22.709283Z"}],"ghsa":[{"id":"GHSA-pgpc-g587-47x9","title":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to...","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209965481","status":"published","published":"2022-03-17T00:00:42Z","modified":"2023-01-27T05:00:45Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:41:44.80267Z"}],"nvd":[{"id":"CVE-2021-39704","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-209965481","status":"published","published":"2022-03-16T15:15:10.927Z","modified":"2026-06-17T04:04:01.673Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-281"],"updated_at":"2026-11-02T14:07:05.198719Z"}],"osv":[{"id":"ASB-A-209965481","description":"In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to run foreground service without user notification due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2022-03-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:05.376141Z"}]}}