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Security Advisory - Authentication Bypass Vulnerability in Some Huawei Smart Phones

  • SA No:huawei-sa-20181101-01-bypass
  • Initial Release Date: Nov 01, 2018
  • Last Release Date: Nov 01, 2018

Some Huawei smartphones have an authentication bypass vulnerability. When the attacker obtains the user's smartphone, the vulnerability can be used to replace the start-up program so that the attacker can obtain the information in the smartphone and achieve the purpose of controlling the smartphone. (Vulnerability ID: HWPSIRT-2018-02106)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2018-7910.

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-20181101-01-bypass-en


Product Name

Affected Version

Resolved Product and Version

ALP-AL00B

8.0.0.118D(C00)

Upgrade to 8.1.0.336(C00)

ALP-TL00B

8.0.0.118D(C01)

Upgrade to 8.0.0.336(C01)

BLA-AL00B

8.0.0.118D(C00)

Upgrade to 8.1.0.336(C00)

BLA-L09C

8.0.0.127(C432)

Upgrade to BLA-L09 8.0.0.148(C432)

8.0.0.128(C432)

8.0.0.137(C432)

BLA-L29C

8.0.0.129(C432)

Upgrade to BLA-L29 8.0.0.148(C432)

8.0.0.137(C432)


Successful exploit could make the attacker control the vulnerable phone.


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

Base Score: 6.8 (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 6.3 (E:F/RL:O/RC:C)

Overall Score: 6.3


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

The attacker has got the smartphone.

Vulnerability details:

Some Huawei smartphones have an authentication bypass vulnerability. When the attacker obtains the user's smartphone, the vulnerability can be used to replace the start-up program so that the attacker can obtain the information in the smartphone and achieve the purpose of controlling the smartphone.


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

This vulnerability was found and reported to Huawei PSIRT by François Poucheret and Kévin Szkudłapski from Security team of NXP Company. Huawei would like to thank them for working with us and coordinated vulnerability disclosure to protect our customers.


2018-11-01 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.

This document is provided on an "AS IS" basis and does not imply any kind of guarantee or warranty, either express or implied, including the warranties of merchantability or fitness for a particular purpose. In no event shall Huawei or any of its directly or indirectly controlled subsidiaries or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages. Your use of the document, by whatsoever means, will be totally at your own risk. Huawei is entitled to amend or update this document from time to time.