What is CVE-2022-20589?

CVE-2022-20589 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2022-12-16.

How severe is CVE-2022-20589?

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

Improper input validation in Google Android

CVE-2022-20589

In valid_va_secbuf_check of drm_access_control.c, there is a possible ID due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-238841928References: N/A

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.001 (2.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% 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
Android — versions Android kernel

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

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

Frequently asked questions

What is CVE-2022-20589?: CVE-2022-20589 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2022-12-16.
How severe is CVE-2022-20589?: Medium severity. CVSS v3 base score is 4.4 out of 10.