In multiple functions of PackageInstallerService.java and related files, there is a…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
In multiple functions of PackageInstallerService.java and related files, there is a possible way to bypass background activity launch restrictions due to a logic error in the code. 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-230492955
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00096 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Android | Android-11 Android-12 Android-12L Android-13 | — | No fix listed | CNA |
- Android Vendor— Affected Android-11 Android-12 Android-12L Android-13 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | |
| cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* | 12.0 | Vulnerable | |
| cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:* | 12.1 | Vulnerable | |
| cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* | 13.0 | Vulnerable |
- cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Google
- cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:* Versions 12.0 Vulnerable ·Google
- cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·Google
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* Versions 13.0 Vulnerable ·Google
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-21081
- 2026-10-03 Alias added: GHSA-5j86-f6q6-qx5r
References
More Google Android vulnerabilities
- TI-2026-42236 Improper authorization in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30821 Use after free in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2023-17777 Improper privilege management in Google Android KEVCVSS 3.1HIGH 8.8
- TI-2025-30872 Integer overflow in Google Android KEVCVSS 3.1HIGH 8.4
- TI-2024-21766 there is a possible way to bypass due to a logic error in the code. KEVCVSS 3.1HIGH 8.1
- TI-2025-30849 Missing authentication in Google Android KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2023-21081 · CVE Program
- CVE-2023-21081 · NVD
- FIRST EPSS
- GHSA-5j86-f6q6-qx5r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences