CVE-2021-40019: Huawei Emui

Critical severity, CVSS 9.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Out-of-bounds heap read vulnerability in the HW_KEYMASTER module. Successful exploitation of this vulnerability may cause out-of-bounds access.

Affected products

• Huawei Emui: version 10.1.0 only; version 10.1.1 only; version 12.0.0 only
• Huawei Magic UI: version 3.1.0 only; version 3.1.1 only

Published 2022-09-16. Last modified 2026-06-17.