Security Advisory - Permission Bypass Vulnerability in Huawei Products

  • SA No:huawei-sa-20220819-01-7e0a6103
  • Initial Release Date: 2022.08.19
  • Last Release Date: 2022.08.19

A permission bypass vulnerability in Huawei cross device task management could allow an attacker to access certain resource in the attacked devices. (Vulnerability ID: HWPSIRT-2021-96118)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-46834.

For products that have released software updates to fix this vulnerability, Huawei will release and update the Security Advisory at:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220819-01-7e0a6103-en

Affected Product

Affected Version

Resolved Version

JAD-AL50

102.0.0.225(C00E220R3P4)

102.0.0.245(C00E245R3P4)


Successful exploitation could allow an attacker to access certain resource in the attacked devices.

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

Base Score: 4.0 (AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Temporal Score: 3.7 (E:F/RL:O/RC:C)

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

The attacked device needs to initiate cross device task management to the attacker device.

Vulnerability details:

A permission bypass vulnerability in the cross device task management function of Huawei products. This vulnerability exists because insufficient permission verification. After the attacked device initiates cross device task management to the attacker device, the attacker could exploit the vulnerability through this function. A successful exploit could allow the attacker to access certain resource in the attacked devices.

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

The vulnerability was discovered by external researchers.

2022-08-19 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.