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Security Advisory - Information Disclosure Vulnerability in Several Smartphones

  • SA No:huawei-sa-20200624-01-smartphone
  • Initial Release Date: 2020-06-24
  • Last Release Date: 2020-06-24

There is an information disclosure vulnerability in several smartphones. Certain function's default configuration in the system seems insecure, an attacker should craft a WI-FI hotspot to launch the attack. Successful exploit could cause information disclosure. (Vulnerability ID: HWPSIRT-2019-10106)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1836.

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-20200624-01-smartphone-en


Product Name

Affected Version

Resolved Product and Version

HUAWEI P30

Versions earlier than 10.1.0.160(C00E160R2P11)

10.1.0.160(C00E160R2P11)

HUAWEI P30 Pro

Versions earlier than 10.1.0.160(C00E160R2P8)

10.1.0.160(C00E160R2P8)


Successful exploit could cause information disclosure.


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

Base Score: 5.3 (AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Temporal Score: 4.9 (E:F/RL:O/RC:C)


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

The attacker should craft a WI-FI hotspot to launch the attack.

Vulnerability details:

Certain function's default configuration in the system seems insecure, an attacker should craft a WI-FI hotspot to launch the attack. Successful exploit could cause information disclosure.


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 security researcher ZhengYuwei from ByteDance. Huawei would like to thank ZhengYuwei for working with us and coordinated vulnerability disclosure to protect our customers.


2020-06-24 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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