What is CVE-2022-20516?

CVE-2022-20516 is a high-severity vulnerability in Google Android, classified under Integer Underflow. CVSS score: 7.5/10. Published 2022-12-16.

How severe is CVE-2022-20516?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Google Android

CVE-2022-20516

In rw_t3t_act_handle_check_ndef_rsp of rw_t3t.cc, there is a possible out of bounds read due to an integer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-224002331

Published 2022-12-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.8th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000

Affected products

Google Android — versions 13.0
Android — versions Android-13

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

source.android.com/security/bulletin/pixel/2022-12-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20516?: CVE-2022-20516 is a high-severity vulnerability in Google Android, classified under Integer Underflow. CVSS score: 7.5/10. Published 2022-12-16.
How severe is CVE-2022-20516?: High severity. CVSS v3 base score is 7.5 out of 10.