What is CVE-2022-20420?

CVE-2022-20420 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2022-10-11.

How severe is CVE-2022-20420?

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

Vulnerability in Google Android

CVE-2022-20420

In getBackgroundRestrictionExemptionReason of AppRestrictionController.java, there is a possible way to bypass device policy restrictions due to a logic error in the code. 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-238377411

Published 2022-10-11 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.001 (1.0th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.0% 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

References

source.android.com/security/bulletin/2022-10-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20420?: CVE-2022-20420 is a high-severity vulnerability in Google Android. CVSS score: 7.8/10. Published 2022-10-11.
How severe is CVE-2022-20420?: High severity. CVSS v3 base score is 7.8 out of 10.