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Security Advisory - Insufficient Input Validation Vulnerability in Some Huawei Smartphones

  • SA No:huawei-sa-20210721-01-phones
  • Initial Release Date: 2021-07-22
  • Last Release Date: 2021-07-22

Some Huawei Smartphones has an insufficient input validation vulnerability due to the lack of parameter validation. An attacker may trick a user into installing a malicious APP. The app can modify specific parameters, causing the system to crash. (Vulnerability ID: HWPSIRT-2020-05121)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22400.

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-20210721-01-phones-en

Product Name

Affected Version

Resolved Product and Version

OxfordS-AN00A

10.0.1.10(C00E10R1P1)

OXF-AN00 11.0.0.179(C00E177R5P5)

10.0.1.105(C00E103R3P3)

10.0.1.115(C00E110R3P3)

10.0.1.123(C00E121R3P3)

10.0.1.135(C00E130R3P3)

10.0.1.135(C00E130R4P1)

10.0.1.152(C00E140R4P1)

10.0.1.160(C00E160R4P1)

10.0.1.167(C00E166R4P1)

10.0.1.173(C00E172R5P1)

10.0.1.178(C00E175R5P1)

10.1.0.202(C00E79R5P1)



Successful exploitation of the vulnerability allows attackers to crash the system.


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

Base Score: 5.5 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Temporal Score: 5.1 (E:F/RL:O/RC:C)


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

The attacker successfully tricked a user into installing the malicious APP.

Vulnerability details:

Some Huawei Smartphones has an insufficient input validation vulnerability due to the lack of parameter validation. An attacker may trick a user into installing a malicious APP. The app can modify specific parameters, causing the system to crash.

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.


2021-07-21 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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