What is CVE-2022-20572?

CVE-2022-20572 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 6.7/10. Published 2022-12-16.

How severe is CVE-2022-20572?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Auth bypass in Google Android

CVE-2022-20572

In verity_target of dm-verity-target.c, there is a possible way to modify read-only files due to a missing permission check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-234475629References: Upstream kernel

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

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

Frequently asked questions

What is CVE-2022-20572?: CVE-2022-20572 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 6.7/10. Published 2022-12-16.
How severe is CVE-2022-20572?: Medium severity. CVSS v3 base score is 6.7 out of 10.