CVE-2021-0928
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization...
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-188675581
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 createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-188675581
- Record
CVE-2021-0928- 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-20, CWE-755
- Updated
- 2026-11-02
CVE ListNo score
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-188675581
- Record
CVE-2021-0928- Updated
- 2026-11-02
EUVDEUVD-2021-3547No score
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-188675581
- Record
EUVD-2021-3547- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g983-v573-g7jm
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization...
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-188675581
- Record
GHSA-g983-v573-g7jm- 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 - Weakness
- CWE-502
- Updated
- 2026-11-02
OSVASB-A-188675581No score
In createFromParcel of OutputConfiguration.java, there is a possible parcel serialization/deserialization mismatch due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-188675581- Updated
- 2026-11-09
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid | 9:0 up to 9:2021-11-01, plus listed versions 9 | 9:2021-11-01 |
platform/frameworks/baseAndroid | 10:0 up to 10:2021-11-01, plus listed versions 10 | 10:2021-11-01 |
platform/frameworks/baseAndroid | 11:0 up to 11:2021-11-01, plus listed versions 11 | 11:2021-11-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | michalbednarski/ReparcelBug2 | 2022-01-29 |
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-2021-0928 is a high vulnerability (CVSS 7.8) in Google Android, published November 1, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. Fixed in platform/frameworks/base 9:2021-11-01.