HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.188(C00E74R3P8) have an improper authorization vulnerability. The software does not properly restrict certain user’s modification of certain configuration file, successful exploit could allow the attacker to bypass app lock after a series of operation in ADB mode.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1807
Reference (s):
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200422-01-smartphone-en