There is an improper authorization vulnerability in some Huawei smartphones. An attacker could perform a series of operation in specific mode to exploit this vulnerability. Successful exploit could allow the attacker to bypass app lock. (Vulnerability ID: HWPSIRT-2019-12144)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9081.

A flaw was discovered in the Bluetooth protocol. An attacker within physical proximity to the Bluetooth connection could downgrade the encryption protocol to be trivially brute forced.