Android · Framework
CVE-2023-20963
Android Framework Privilege Escalation Vulnerability
What it is
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
CISA: 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.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 4, 2023
- Added to the CISA list
- April 13, 2023
- Published
- March 24, 2023
- Severity
- High 7.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 1.5% in the top 26.5% of all known vulnerabilities
- Weakness
- CWE-295
- More details
- NVD · CVE.org · CISA
All references (1)
More exploited flaws from Android
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Jun 2, 2026 | Integer Overflow | Framework | High 8.4 | 1.9% |
| Dec 2, 2025 | Privilege Escalation | Framework | High 7.8 | 0.3% |
| Dec 2, 2025 | Information Disclosure | Framework | Medium 5.5 | 0.3% |
| Nov 7, 2024 | Privilege Escalation | Framework | High 7.3 | 0.7% |
| Sep 13, 2023 | Privilege Escalation | Framework | High 8.8 | 2.6% |
| Sep 4, 2025 | Use-After-Free | Runtime | High 8.8 | 0.6% |
| Aug 7, 2024 | Remote Code Execution | Kernel | High 7.8 | 2.7% |
| Jun 13, 2024 | Privilege Escalation | Pixel | High 8.1 | 3.0% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.