CVE-2021-0705
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service...
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103
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 sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103
- Record
CVE-2021-0705- 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
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103
- Record
CVE-2021-0705- Updated
- 2026-11-02
EUVDEUVD-2021-3324 No score
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103
- Record
EUVD-2021-3324- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3wrw-vxmq-wm2c
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service...
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103
- Record
GHSA-3wrw-vxmq-wm2c- 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-269
- Updated
- 2026-11-02
OSVASB-A-185388103 No score
In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-185388103- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
12-next:0 up to 12-next:2021-10-01, plus listed versions 12-next |
12-next:2021-10-01 |
platform/frameworks/baseAndroid |
10:0 up to 10:2021-10-01, plus listed versions 10 |
10:2021-10-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2021-10-01, plus listed versions 11 |
11:2021-10-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2021-10-01, plus listed versions 12 |
12:2021-10-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ShaikUsaf/frameworks_base_AOSP10_r33_CVE-2021-0705 | 2022-04-18 |
| PoC in GitHub | Trinadh465/frameworks_base_AOSP10_r33_CVE-2021-0705 | 2022-04-23 |
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-2021-0705 is a high vulnerability (CVSS 7.8) in Google Android, published October 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. Fixed in platform/frameworks/base 12-next:2021-10-01.