HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance function after a series of operations with a PC.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1831
Reference (s):
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-04-smartphone-en