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Security Advisory - Improper Authentication Vulnerability in Several Smartphones

  • SA No:huawei-sa-20200318-02-smartphone
  • Initial Release Date: Mar 18, 2020
  • Last Release Date: Mar 18, 2020

There is an improper authentication vulnerability in several smartphones. The applock does not perform a sufficient authentication in certain scenarios, successful exploit could allow the attacker to gain certain data of the application which is locked. (Vulnerability ID: HWPSIRT-2019-12128 and HWPSIRT-2019-12129)

The two vulnerabilities have been assigned two Common Vulnerabilities and Exposures (CVE) IDs: CVE-2020-1793 and CVE-2020-1794.

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

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200318-02-smartphone-en

Product Name

Affected Version

Resolved Product and Version

HUAWEI Mate 20

Versions earlier than 10.0.0.188(C00E74R3P8)

10.0.0.188(C00E74R3P8)

HUAWEI Mate 30 Pro

Versions earlier than 10.0.0.203(C00E202R7P2)

10.0.0.203(C00E202R7P2)

Successful exploit could allow the attacker to gain certain data of the application which is locked.

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

HWPSIRT-2019-12128 and HWPSIRT-2019-12129:

Base Score: 3.5 (AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Temporal Score: 3.3 (E:F/RL:O/RC:C)

HWPSIRT-2019-12128 and HWPSIRT-2019-12129:

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

The attacker gets the smartphone.

Vulnerability details:

The applock does not perform a sufficient authentication in certain scenarios, successful exploit could allow the attacker to gain certain data of the application which is locked.


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

This vulnerability was reported to Huawei PSIRT by an external security researcher. Huawei would like to thank him for working with us and coordinated vulnerability disclosure to protect our customers.


2020-03-18 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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