CVE-2023-21020 — MEDIUM (6.7)

Vulnerability Description

In registerSignalHandlers of main.c, there is a possible local arbitrary code execution due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256591441

CVSS Score

6.7

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	13.0

Related Weaknesses (CWE)

CWE-416

References

https://source.android.com/security/bulletin/pixel/2023-03-01PatchVendor Advisory
https://source.android.com/security/bulletin/pixel/2023-03-01PatchVendor Advisory

FAQ

What is CVE-2023-21020?

CVE-2023-21020 is a vulnerability with a CVSS score of 6.7 (MEDIUM). In registerSignalHandlers of main.c, there is a possible local arbitrary code execution due to a use after free. This could lead to local escalation of privilege with System execution privileges neede...

How severe is CVE-2023-21020?

CVE-2023-21020 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-21020?

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