There is an improper privilege management vulnerability in Huawei smart phone product. A local, authenticated attacker could craft a specific input to exploit this vulnerability. Successful exploitation may lead to local privilege escalation. (Vulnerability ID: HWPSIRT-2020-05272) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9080.

Nova 5i pro and Nova 5 smartphones with versions earlier than 9.1.1.190(C00E190R6P2)and Versions earlier than 9.1.1.175(C00E170R3P2) have an improper validation of array index vulnerability. The system does not properly validate the input value before use it as an array index when processing certain image information. The attacker tricks the user into installing a malicious application, successful exploit could cause malicious code execution.

The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.