CVE-2021-0438
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there...
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
- Record
CVE-2021-0438- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-1021
- Updated
- 2026-11-02
CVE List No score
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
- Record
CVE-2021-0438- Updated
- 2026-11-02
EUVDEUVD-2021-3057 No score
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
- Record
EUVD-2021-3057- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v7xr-3g3r-j8gg
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there...
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10Android ID: A-152064592
- Record
GHSA-v7xr-3g3r-j8gg- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
OSVASB-A-152064592 No score
In several functions of InputDispatcher.cpp, WindowManagerService.java, and related files, there is a possible tapjacking attack due to an incorrect FLAG_OBSCURED value. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
ASB-A-152064592- Updated
- 2026-11-06
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
8.1:0 up to 8.1:2021-04-01, plus listed versions 8.1 |
8.1:2021-04-01 |
platform/frameworks/baseAndroid |
9:0 up to 9:2021-04-01, plus listed versions 9 |
9:2021-04-01 |
platform/frameworks/baseAndroid |
10:0 up to 10:2021-04-01, plus listed versions 10 |
10:2021-04-01 |
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.
In short
CVE-2021-0438 is a high vulnerability (CVSS 7.8) in Google Android, published April 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. Fixed in platform/frameworks/base 8.1:2021-04-01.