CVE-2021-0474
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer...
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-177611958
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-177611958
- Record
CVE-2021-0474- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-177611958
- Record
CVE-2021-0474- Updated
- 2026-11-02
EUVDEUVD-2021-3093 No score
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-177611958
- Record
EUVD-2021-3093- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8v4m-q3m2-gfw3 No score
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer...
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-177611958
- Record
GHSA-8v4m-q3m2-gfw3- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVASB-A-177611958 No score
In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-177611958- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/btAndroid |
8.1:0 up to 8.1:2021-05-01, plus listed versions 8.1 |
8.1:2021-05-01 |
platform/system/btAndroid |
9:0 up to 9:2021-05-01, plus listed versions 9 |
9:2021-05-01 |
platform/system/btAndroid |
10:0 up to 10:2021-05-01, plus listed versions 10 |
10:2021-05-01 |
platform/system/btAndroid |
11:0 up to 11:2021-05-01, plus listed versions 11 |
11:2021-05-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | pazhanivel07/system_bt_A10-r33_CVE-2021-0474 | 2022-04-20 |
| PoC in GitHub | pazhanivel07/system_bt_A10_r33_CVE-2021-0474 | 2022-04-21 |
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-2021-0474 is a critical vulnerability (CVSS 9.8) in Google Android, published May 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.36%, the 88th percentile. Fixed in platform/system/bt 8.1:2021-05-01.