Description
In onPackageRemoved of AccessibilityManagerService.java, there is a possibility to automatically grant accessibility services 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 needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-243378132
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Android | Android-10 Android-11 Android-12 Android-12L Android-13 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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Trinadh465/frameworks_base_android-6.0.1_r22_CVE-2023-20921 ★ 0 · Nov 29, 2023
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2023-0018 Android Patchday Januar 2023 BSI CERT-Bund (WID) · Jan 3, 2023