CVE-2021-40055: Huawei Emui

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

There is a man-in-the-middle attack vulnerability during system update download in recovery mode. Successful exploitation of this vulnerability may affect integrity.

Affected products

• Huawei Emui: version 10.0.0 only; version 10.1.0 only; version 10.1.1 only; version 11.0.0 only; version 11.0.1 only; version 12.0.0 only
• Huawei Harmonyos: version 2.0 only
• Huawei Magic UI: version 3.0.0 only; version 3.1.0 only; version 3.1.1 only; version 4.0.0 only

Published 2022-03-10. Last modified 2026-06-17.