CVE-2021-40045: Huawei Emui

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.

Affected products

• Huawei Emui: version 11.0.0 only; version 11.0.1 only; version 12.0.0 only
• Huawei Harmonyos: before 2.0 (fixed in 2.0)
• Huawei Magic UI: version 4.0.0 only

Published 2022-02-09. Last modified 2026-06-17.