Vulnerability Details : CVE-2023-20921
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
Published
2023-01-26 21:18:12
Updated
2023-02-01 18:54:46
Products affected by CVE-2023-20921
- cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-20921
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-20921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.3
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
1.3
|
5.9
|
NIST |
CWE ids for CVE-2023-20921
-
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-20921
-
https://source.android.com/security/bulletin/2023-01-01
Android Security Bulletin—January 2023 | Android Open Source ProjectVendor Advisory
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