CVE-2021-0309
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to...
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158480899.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158480899.
- Record
CVE-2021-0309- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:C/I:N/A:N - Updated
- 2026-11-02
CVE List No score
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158480899.
- Record
CVE-2021-0309- Updated
- 2026-11-02
EUVDEUVD-2021-2928 No score
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158480899.
- Record
EUVD-2021-2928- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wc4x-mm5r-q4j3 No score
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to...
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-158480899.
- Record
GHSA-wc4x-mm5r-q4j3- Updated
- 2026-11-02
OSVASB-A-158480899 No score
In onCreate of grantCredentialsPermissionActivity, there is a confused deputy. This could lead to local information disclosure and account access with no additional execution privileges needed. User interaction is needed for exploitation.
- Record
ASB-A-158480899- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
8.0:0 up to 8.0:2021-01-01, plus listed versions 8.0 |
8.0:2021-01-01 |
platform/frameworks/baseAndroid |
8.1:0 up to 8.1:2021-01-01, plus listed versions 8.1 |
8.1:2021-01-01 |
platform/frameworks/baseAndroid |
9:0 up to 9:2021-01-01, plus listed versions 9 |
9:2021-01-01 |
platform/frameworks/baseAndroid |
10:0 up to 10:2021-01-01, plus listed versions 10 |
10:2021-01-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2021-01-01, plus listed versions 11 |
11:2021-01-01 |
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-2021-0309 is a medium vulnerability (CVSS 5.5) in Google Android, published January 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. Fixed in platform/frameworks/base 8.0:2021-01-01.