What is CVE-2022-20401?

CVE-2022-20401 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-08-11.

How severe is CVE-2022-20401?

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

Out-of-bounds Read in Google Android

CVE-2022-20401

In SAEMM_RetrievEPLMNList of SAEMM_ContextManagement.c, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure post-authentication with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-226446030References: N/A

Vulnerability class: Buffer Overflow

Published 2022-08-11 · 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: 0.006 (44.8th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Android
Android — versions Android kernel

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

source.android.com/security/bulletin/pixel/2022-08-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-20401?: CVE-2022-20401 is a high-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2022-08-11.
How severe is CVE-2022-20401?: High severity. CVSS v3 base score is 7.5 out of 10.