CVE-2023-20921
This could lead to local escalation of privilege with no additional execution privileges needed.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- CVSS 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.27% probability · 20th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-670
- Affected
- google/android
- Source
- security@android.com
References
- https://source.android.com/security/bulletin/2023-01-01Vendor Advisory
- https://source.android.com/security/bulletin/2023-01-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.