CVE-2021-0684
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to...
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665
- Record
CVE-2021-0684- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665
- Record
CVE-2021-0684- Updated
- 2026-11-02
EUVDEUVD-2021-3303 No score
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665
- Record
EUVD-2021-3303- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7c84-vqvc-h363 No score
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to...
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-179839665
- Record
GHSA-7c84-vqvc-h363- Weakness
- CWE-416
- Updated
- 2026-11-02
OSVASB-A-179839665 No score
In TouchInputMapper::sync of TouchInputMapper.cpp, there is a possible out of bounds write due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-179839665- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/nativeAndroid |
8.1:0 up to 8.1:2021-09-01, plus listed versions 8.1 |
8.1:2021-09-01 |
platform/frameworks/nativeAndroid |
9:0 up to 9:2021-09-01, plus listed versions 9 |
9:2021-09-01 |
platform/frameworks/nativeAndroid |
10:0 up to 10:2021-09-01, plus listed versions 10 |
10:2021-09-01 |
platform/frameworks/nativeAndroid |
11:0 up to 11:2021-09-01, plus listed versions 11 |
11:2021-09-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-0684 is a high vulnerability (CVSS 7.8) in Google Android, published September 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.13%, the 2nd percentile. Fixed in platform/frameworks/native 8.1:2021-09-01.