Vulnerability Details : CVE-2023-21116
In verifyReplacingVersionCode of InstallPackageHelper.java, there is a possible way to downgrade system apps below system image version due to a logic error in the code. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-256202273
Published
2023-05-15 22:15:12
Updated
2023-05-24 00:19:35
Products affected by CVE-2023-21116
- 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-2023-21116
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-2023-21116
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
References for CVE-2023-21116
-
https://source.android.com/security/bulletin/2023-05-01
Android Security Bulletin—May 2023 | Android Open Source ProjectPatch;Vendor Advisory
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