CVE-2021-0918
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a...
CVE-2021-0918 is a high vulnerability (CVSS 8.8) in Google Android, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. Fixed in platform/system/bt 12:2021-11-01.
- Severity
- 8.8 HighCVSS 3.1, NVD
- Exploit chance
- 0.46%EPSS, 40th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
12:2021-11-01platform/system/bt
Description
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-12Android ID: A-197536150
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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/system/btAndroid | 12:0 up to 12:2021-11-01, plus listed versions 12 | 12:2021-11-01 |
What each source reports
NVD Score used
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-12Android ID: A-197536150
- Record
CVE-2021-0918- 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-787
- Updated
- 2026-11-02
CVE ListNo score
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-12Android ID: A-197536150
- Record
CVE-2021-0918- Updated
- 2026-11-02
EUVDEUVD-2021-3537No score
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-12Android ID: A-197536150
- Record
EUVD-2021-3537- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h9hc-qgww-qvf4No score
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a...
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-12Android ID: A-197536150
- Record
GHSA-h9hc-qgww-qvf4- Weakness
- CWE-787
- Updated
- 2026-11-02
OSVASB-A-197536150No score
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. 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-197536150- Updated
- 2026-11-09
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.