CVE-2020-0471
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets...
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.
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 reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.
- Record
CVE-2020-0471- 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
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.
- Record
CVE-2020-0471- Updated
- 2026-11-02
EUVDEUVD-2020-1970 No score
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.
- Record
EUVD-2020-1970- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-46qp-3938-63jv No score
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets...
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11; Android ID: A-169327567.
- Record
GHSA-46qp-3938-63jv- Weakness
- CWE-269
- Updated
- 2026-11-02
OSVASB-A-169327567 No score
In reassemble_and_dispatch of packet_fragmenter.cc, there is a possible way to inject packets into an encrypted Bluetooth connection due to improper input validation. This could lead to remote escalation of privilege between two Bluetooth devices by a proximal attacker, with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-169327567- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/btAndroid |
8.0:0 up to 8.0:2021-01-01, plus listed versions 8.0 |
8.0:2021-01-01 |
platform/system/btAndroid |
8.1:0 up to 8.1:2021-01-01, plus listed versions 8.1 |
8.1:2021-01-01 |
platform/system/btAndroid |
9:0 up to 9:2021-01-01, plus listed versions 9 |
9:2021-01-01 |
platform/system/btAndroid |
10:0 up to 10:2021-01-01, plus listed versions 10 |
10:2021-01-01 |
platform/system/btAndroid |
11:0 up to 11:2021-01-01, plus listed versions 11 |
11:2021-01-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | nanopathi/system_bt_AOSP10_r33_CVE-2020-0471 | 2022-04-04 |
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-2020-0471 is a critical vulnerability (CVSS 9.8) in Google Android, published January 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.66%, the 76th percentile. Fixed in platform/system/bt 8.0:2021-01-01.