CVE-2021-22420: Huawei Harmonyos

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A component of the HarmonyOS has a External Control of System or Configuration Setting vulnerability. Local attackers may exploit this vulnerability to cause the underlying trust of the application trustlist mechanism is missing..

Affected products

• Huawei Harmonyos: version 2.0 only

Published 2021-08-03. Last modified 2026-06-17.