CVE-2022-20021
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the...
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.
- Record
CVE-2022-20021- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.
- Record
CVE-2022-20021- Updated
- 2026-11-02
EUVDEUVD-2022-25281 No score
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.
- Record
EUVD-2022-25281- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rv2x-f4h4-jgj8 No score
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the...
In Bluetooth, there is a possible application crash due to bluetooth does not properly handle the reception of multiple LMP_host_connection_req. This could lead to remote denial of service of bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06198513; Issue ID: ALPS06198513.
- Record
GHSA-rv2x-f4h4-jgj8- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-20021 is a medium vulnerability (CVSS 6.5) in Google Android, published January 4, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 20th percentile. No source names a fixed version.