CVE-2023-21131 — HIGH (7.8)

Vulnerability Description

In checkKeyIntentParceledCorrectly() of ActivityManagerService.java, there is a possible bypass of Parcel Mismatch mitigations due to a logic error in the code. This could lead to local escalation of privilege and the ability to launch arbitrary activities in settings with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-265015796

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	11.0

Related Weaknesses (CWE)

CWE-639

References

https://source.android.com/security/bulletin/2023-06-01PatchVendor Advisory
https://source.android.com/security/bulletin/2023-06-01PatchVendor Advisory

FAQ

What is CVE-2023-21131?

CVE-2023-21131 is a vulnerability with a CVSS score of 7.8 (HIGH). In checkKeyIntentParceledCorrectly() of ActivityManagerService.java, there is a possible bypass of Parcel Mismatch mitigations due to a logic error in the code. This could lead to local escalation of ...

How severe is CVE-2023-21131?

CVE-2023-21131 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21131?

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