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
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2023-20921 - High Severity Vulnerability
Vulnerable Library - baseandroid-10.0.0_r44
Android framework classes and services
Library home page: https://android.googlesource.com/platform/frameworks/base
Found in base branch: master
Vulnerable Source Files (1)
/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
Vulnerability Details
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
Publish Date: 2023-01-26
URL: CVE-2023-20921
CVSS 3 Score Details (7.3)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://android.googlesource.com/platform/frameworks/base/+/7cad088a533f967d94c8d436b609e4ed2b184897
Release Date: 2022-11-04
Fix Resolution: android-13.0.0_r19
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