CVE-2021-39968: Huawei Harmonyos

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Changlian Blocklist has a Business Logic Errors vulnerability .Successful exploitation of this vulnerability may expand the attack surface of the message class.

Affected products

• Huawei Harmonyos: before 2.0 (fixed in 2.0)

Published 2022-01-03. Last modified 2026-06-17.