CVE-2021-39704
In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to...
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-39704- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-281
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2021-39704- Updated
- 2026-11-02
EUVDEUVD-2021-26061 No score
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
- Record
EUVD-2021-26061- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pgpc-g587-47x9
In deleteNotificationChannelGroup of NotificationManagerService.java, there is a possible way to...
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
- Record
GHSA-pgpc-g587-47x9- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-281
- Updated
- 2026-11-02
OSVASB-A-209965481 No score
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.
- Record
ASB-A-209965481- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
11:0 up to 11:2022-03-01, plus listed versions 11 |
11:2022-03-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2022-03-01, plus listed versions 12 |
12:2022-03-01 |
platform/frameworks/baseAndroid |
12L:0 up to 12L:2022-03-01, plus listed versions 12L |
12L:2022-03-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | nanopathi/framework_base_AOSP10_r33_CVE-2021-39704 | 2022-04-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39704 is a high vulnerability (CVSS 7.8) in Google Android, published March 1, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. Fixed in platform/frameworks/base 11:2022-03-01.