CVE-2023-20963
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of...
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
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
7.8
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
- Record
CVE-2023-20963- 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-295
- Updated
- 2026-11-02
CVE List
7.8
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
- Record
CVE-2023-20963- 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-295
- Updated
- 2026-11-02
EUVDEUVD-2023-25131
7.8
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
- Record
EUVD-2023-25131- 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
GitHub AdvisoriesGHSA-xm9f-fph8-8369
7.8
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of...
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519
- Record
GHSA-xm9f-fph8-8369- 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-295
- Updated
- 2026-11-02
CISA KEV No score
Android Framework Privilege Escalation Vulnerability
Android Framework contains an unspecified vulnerability that allows for privilege escalation after updating an app to a higher Target SDK with no additional execution privileges needed.
- Record
CVE-2023-20963- Weakness
- CWE-295
- Updated
- 2026-11-02
OSVASB-A-220302519 No score
In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-220302519- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
13-next:0 up to 13-next:2023-03-01, plus listed versions 13-next |
13-next:2023-03-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2023-03-01, plus listed versions 11 |
11:2023-03-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2023-03-01, plus listed versions 12 |
12:2023-03-01 |
platform/frameworks/baseAndroid |
12L:0 up to 12L:2023-03-01, plus listed versions 12L |
12L:2023-03-01 |
platform/frameworks/baseAndroid |
13:0 up to 13:2023-03-01, plus listed versions 13 |
13:2023-03-01 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | pwnipc/BadParcel | 2023-06-12 |
| PoC in GitHub | Trinadh465/frameworks_base_AOSP10_r33_CVE-2023-20963 | 2023-10-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-20963 is a high vulnerability (CVSS 7.8) in Google Android, published March 1, 2023. CISA lists it as known to be exploited, since April 13, 2023. EUVD reports exploitation since April 13, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in platform/frameworks/base 13-next:2023-03-01.