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Security Advisory - Authentication Bypass Vulnerability in Some Smart Phones

  • SA No:huawei-sa-20180509-01-mobile
  • Initial Release Date: May 09, 2018
  • Last Release Date: May 09, 2018

There is an authentication bypass vulnerability in some Huawei smart phones. An attacker with high privilege obtains the smart phone and bypass the activation function by some specific operations. (Vulnerability ID: HWPSIRT-2018-03001)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7940.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180509-01-mobile-en

Product Name

Affected Version

Resolved Product and Version

HUAWEI Mate 10

earlier versions than 8.0.0.129(SP2C00)

ALP-AL00B 8.0.0.129(SP2C00)

HUAWEI Mate 10 Pro

earlier versions than 8.0.0.129(SP2C01)

BLA-TL00B 8.0.0.129(SP2C01)


Successful exploit may bypass the activation function.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 3.9 (AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N)

Temporal Score: 3.6 (E:F/RL:O/RC:C)


This vulnerability can be exploited only when the following conditions are present:

1. The attacker obtains a user's smart phone.

Vulnerability details:

There is an authentication bypass vulnerability in some Huawei smart phones. An attacker with high privilege obtains the smart phone and bypass the activation function by some specific operations.


The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.


2018-05-09 V1.0 INITIAL


Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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