CVE-2019-5211
The Huawei Share function of P20 phones with versions earlier than Emily-L29C 9.1.0.311 has an improper file management vulnerability. The attacker tricks the victim to perform certain operations on the mobile phone during file transfer. Because the file is not properly processed, successfully exploit may cause some files on the victim’s mobile phone are deleted.
Source: CVE-2019-5211