CVE-2023-20921 — HIGH (7.3)

Vulnerability 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 Score

7.3

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	10.0

Related Weaknesses (CWE)

CWE-670

References

https://source.android.com/security/bulletin/2023-01-01Vendor Advisory
https://source.android.com/security/bulletin/2023-01-01Vendor Advisory

FAQ

What is CVE-2023-20921?

CVE-2023-20921 is a vulnerability with a CVSS score of 7.3 (HIGH). 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 p...

How severe is CVE-2023-20921?

CVE-2023-20921 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-20921?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.