What is CVE-2022-20540?

CVE-2022-20540 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2022-12-16.

How severe is CVE-2022-20540?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Google Android

CVE-2022-20540

In SurfaceFlinger::doDump of SurfaceFlinger.cpp, there is possible arbitrary code execution due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-237291506

Vulnerability class: Use-After-Free

EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 13.0
N/a Android — versions Android-13

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20540?: CVE-2022-20540 is a high-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 7.8/10. Published 2022-12-16.
How severe is CVE-2022-20540?: High severity. CVSS v3 base score is 7.8 out of 10.