What is CVE-2022-20255?

CVE-2022-20255 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 4.4/10. Published 2022-08-12.

How severe is CVE-2022-20255?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Auth bypass in Google Android

CVE-2022-20255

In SettingsProvider, there is a possible way to read or change the default ringtone due to a missing permission check. 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-222687217

Vulnerability class: Broken Access Control

Published 2022-08-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 13.0
Android — versions Android-13

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

source.android.com/security/bulletin/android-13 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20255?: CVE-2022-20255 is a medium-severity vulnerability in Google Android, classified under Missing Authorization. CVSS score: 4.4/10. Published 2022-08-12.
How severe is CVE-2022-20255?: Medium severity. CVSS v3 base score is 4.4 out of 10.