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Security Advisory - Privilege Escalation Vulnerability in Huawei Product

  • SA No:huawei-sa-20220216-01-priesc
  • Initial Release Date: 2022.02.15
  • Last Release Date: 2022.02.15

A Huawei product has a privilege escalation vulnerability. Successful exploit could allow the attacker to access certain resource beyond its privilege. (Vulnerability ID: HWPSIRT-2021-49498)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-40046.

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-20220216-01-priesc-en


Product Name

Affected Version

Resolved Product and Version

PCManager

11.1.1.95

12.0.1.20(SP1)


Successful exploit could allow the attacker to access certain resource beyond its privilege.


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

Base Score: 8.8 (AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

Temporal Score: 8.2 (E:F/RL:O/RC:C)


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

An attacker could send a crafted message to the system.

Vulnerability details:

A privilege escalation vulnerability exists in a Huawei product. A module fails to fully verify external input, allowing attackers to perform malicious operations to obtain high permissions. Successful exploit could allow the attacker to access certain resource beyond its privilege.


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.


2022-02-15 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.