What is CVE-2022-20438?

CVE-2022-20438 is a medium-severity vulnerability in Google Android. CVSS score: 5.5/10. Published 2022-10-11.

How severe is CVE-2022-20438?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-20438 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Google Android

CVE-2022-20438

In Messaging, There has unauthorized broadcast, this could cause Local Deny of Service.Product: AndroidVersions: Android SoCAndroid ID: A-242259920

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

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (1.5th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.5% 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
Android — versions Android SoC

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2022-20438?: CVE-2022-20438 is a medium-severity vulnerability in Google Android. CVSS score: 5.5/10. Published 2022-10-11.
How severe is CVE-2022-20438?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-20438 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.