CVE-2021-0334
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app...
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
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 onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
- Record
CVE-2021-0334- 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
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-732
- Updated
- 2026-11-02
CVE ListNo score
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
- Record
CVE-2021-0334- Updated
- 2026-11-02
EUVDEUVD-2021-2953No score
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
- Record
EUVD-2021-2953- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w9rg-m5v9-r8xfNo score
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app...
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
- Record
GHSA-w9rg-m5v9-r8xf- Weakness
- CWE-732
- Updated
- 2026-11-02
OSVASB-A-163358811No score
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-163358811- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid | 8.0:0 up to 8.0:2021-02-01, plus listed versions 8.0 | 8.0:2021-02-01 |
platform/frameworks/baseAndroid | 8.1:0 up to 8.1:2021-02-01, plus listed versions 8.1 | 8.1:2021-02-01 |
platform/frameworks/baseAndroid | 9:0 up to 9:2021-02-01, plus listed versions 9 | 9:2021-02-01 |
platform/frameworks/baseAndroid | 10:0 up to 10:2021-02-01, plus listed versions 10 | 10:2021-02-01 |
platform/frameworks/baseAndroid | 11:0 up to 11:2021-02-01, plus listed versions 11 | 11:2021-02-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ShaikUsaf/frameworks_base_AOSP10_r33_CVE-2021-0334 | 2022-04-01 |
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-2021-0334 is a high vulnerability (CVSS 7.8) in Google Android, published February 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. Fixed in platform/frameworks/base 8.0:2021-02-01.