CVE-2021-22394: Huawei Emui

Critical severity, CVSS 9.1. EPSS: 0.8% chance of exploitation in the next 30 days.

There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.

Affected products

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

Published 2022-02-25. Last modified 2026-06-17.