CVE-2023-21281
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after...
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
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 multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21281- 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 - Updated
- 2026-11-02
CVE List No score
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21281- Updated
- 2026-11-02
EUVDEUVD-2023-25449
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25449- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cphq-wf6q-pcvw
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after...
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-cphq-wf6q-pcvw- 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 - Updated
- 2026-11-02
OSVASB-A-265431505 No score
In multiple functions of KeyguardViewMediator.java, there is a possible failure to lock after screen timeout due to a logic error in the code. This could lead to local escalation of privilege across users with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-265431505- Updated
- 2026-11-10
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
13-next:0 up to 13-next:2023-08-01, plus listed versions 13-next |
13-next:2023-08-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2023-08-01, plus listed versions 11 |
11:2023-08-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2023-08-01, plus listed versions 12 |
12:2023-08-01 |
platform/frameworks/baseAndroid |
12L:0 up to 12L:2023-08-01, plus listed versions 12L |
12L:2023-08-01 |
platform/frameworks/baseAndroid |
13:0 up to 13:2023-08-01, plus listed versions 13 |
13:2023-08-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | Trinadh465/platform_frameworks_base_CVE-2023-21281 | 2023-10-03 |
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-2023-21281 is a high vulnerability (CVSS 7.8) in Google Android, published August 1, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. Fixed in platform/frameworks/base 13-next:2023-08-01.