CVE-2021-0475
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use...
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent 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 on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168
- Record
CVE-2021-0475- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 8.3 High
AV:A/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168
- Record
CVE-2021-0475- Updated
- 2026-11-02
EUVDEUVD-2021-3094 No score
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168
- Record
EUVD-2021-3094- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jfh5-68jv-jpmr No score
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use...
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168
- Record
GHSA-jfh5-68jv-jpmr- Weakness
- CWE-416
- Updated
- 2026-11-02
OSVASB-A-175686168 No score
In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-175686168- Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
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 | ShaikUsaf/system_bt_AOSP10_r33_CVE-2021-0475 | 2022-04-20 |
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-2021-0475 is a high vulnerability (CVSS 8.8) in Google Android, published May 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.98%, the 62nd percentile. Fixed in platform/system/bt 10:2021-05-01.