What is CVE-2021-0891?

CVE-2021-0891 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2022-08-24.

How severe is CVE-2021-0891?

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

Privilege escalation in Google Android

CVE-2021-0891

An unprivileged app can trigger PowerVR driver to return an uninitialized heap memory causing information disclosure.Product: AndroidVersions: Android SoCAndroid ID: A-236849490

Vulnerability class: Privilege Escalation

Published 2022-08-24 · 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: 0.003 (21.1th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Google Android
Android — versions Android SoC

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

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

Frequently asked questions

What is CVE-2021-0891?: CVE-2021-0891 is a high-severity vulnerability in Google Android, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2022-08-24.
How severe is CVE-2021-0891?: High severity. CVSS v3 base score is 7.5 out of 10.