Factory Reset Protection bypass on Huawei smartphones

Published: 2019-06-26
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5220
Exploitation vector Local
Public exploit N/A
Vulnerable software
Huawei Honor Magic 2
Client/Desktop applications / Multimedia software

Huawei Mate 20
Client/Desktop applications / Multimedia software

Huawei Mate 20 X
Client/Desktop applications / Multimedia software

Vendor Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU18919

Risk: Low


CVE-ID: CVE-2019-5220

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No


The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to the system does not sufficiently verify the permission. An attacker with physical access to the smartphones can do a certain operation on certain step of setup wizard.

Successful exploitation of this vulnerability may allow an attacker to bypass the FRP protection.


Install updates from vendor's website.

Vulnerable software versions

Huawei Honor Magic 2: before Tony-AL00B/Tony-TL00B

Huawei Mate 20: before Hima-AL00B/Hima-TL00B

Huawei Mate 20 X : before Ever-AL00B

CPE2.3 External links


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?