TI-2019-03735 Aliases CVE-2019-5306 GHSA-vj43-cv8g-grx7

There is a Factory Reset Protection (FRP) bypass security vulnerability in P20 Huawei…

LOW 21Published 2019-06-04 · Updated 2024-08-04

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

There is a Factory Reset Protection (FRP) bypass security vulnerability in P20 Huawei smart phones versions before Emily-AL00A 9.0.0.167(C00E81R1P21T8). When re-configuring the mobile phone using the FRP function, an attacker can delete the activation lock after a series of operations. As a result, the FRP function is bypassed and the attacker gains access to the smartphone.

Why it matters now

EPSS 0.00235 14th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Huawei	P20	The versions before Emily-AL00A 9.0.0.167(C00E81R1P21T8)	—	No fix listed	CNA

P20 VendorHuawei Affected The versions before Emily-AL00A 9.0.0.167(C00E81R1P21T8) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:huawei:p20_firmware::::::::	before emily-al00a_9.0.0.167\(c00e81r1p21t8\)	Vulnerable	Huawei
cpe:2.3:h:huawei:p20:-:::::::*	not specified by NVD	Running on	Huawei

cpe:2.3:o:huawei:p20_firmware:*:*:*:*:*:*:*:* Versions before emily-al00a_9.0.0.167\(c00e81r1p21t8\) Vulnerable ·Huawei
cpe:2.3:h:huawei:p20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-5306
2026-10-03 Alias added: GHSA-vj43-cv8g-grx7

References

Advisory 1

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190228-01-smartphone-en

TI-2019-01829 Use after free in Android KEVCVSS 3.1HIGH 7.8
TI-2020-00021 In reassemble_and_dispatch of packet_fragmenter.cc, there is possible out of bounds write… CVSS 3.1HIGH 8.8
TI-2019-06941 Cryptographic flaw in Bluetooth BR/EDR CVSS 3.1HIGH 8.1
TI-2018-05764 Out-of-bounds write in Huawei P20 CVSS 3.0MEDIUM 5.9
TI-2019-03665 Improper input validation in P20 Pro, P20, Mate RS CVSS 3.1MEDIUM 5.5
TI-2019-03647 Incorrect permission assignment in P20 CVSS 3.1MEDIUM 5.5

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences