CVE-2023-21116

Description

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

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory android.com
Affected: n/a Android
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/2023-05-01 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21116?
CVE-2023-21116 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21116?
To fix CVE-2023-21116, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21116 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21116 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21116?
CVE-2023-21116 affects n/a Android.
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