CVE-2021-0923
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to...
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390
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 createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390
- Record
CVE-2021-0923- 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-862
- Updated
- 2026-11-02
CVE ListNo score
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390
- Record
CVE-2021-0923- Updated
- 2026-11-02
EUVDEUVD-2021-3542No score
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390
- Record
EUVD-2021-3542- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vx4g-4h4f-5cmgNo score
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to...
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195338390
- Record
GHSA-vx4g-4h4f-5cmg- Weakness
- CWE-862
- Updated
- 2026-11-02
OSVASB-A-195338390No score
In createOrUpdate of Permission.java, there is a possible way to gain internal permissions due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-195338390- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid | 12:0 up to 12:2021-11-01, plus listed versions 12 | 12:2021-11-01 |
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-2021-0923 is a high vulnerability (CVSS 7.8) in Google Android, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. Fixed in platform/frameworks/base 12:2021-11-01.