CVE-2021-22356: Security Advisory - Weak Secure Algorithm Vulnerability in Huawei Product

There is a weak secure algorithm vulnerability in Huawei products. A weak secure algorithm is used in a module. Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak. (Vulnerability ID: HWPSIRT-2020-17809)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22356.

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-20210512-01-infomationleak-en

Product Name

Affected Version

Resolved Product and Version

IPS Module

V500R005C00SPC100

V500R005C20SPC500

V500R005C00SPC200

NGFW Module

V500R005C00SPC100

V500R005C20SPC500

V500R005C00SPC200

Secospace USG6300

V500R001C30SPC200

V500R005C20SPC500

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

Secospace USG6500

V500R001C30SPC200

V500R005C20SPC500

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

Secospace USG6600

V500R001C30SPC200

V500R005C20SPC500

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

USG9500

V500R001C30SPC200

V500R005C20SPC500

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak.

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

Attacker can capture the messages between devices.

Vulnerability details:

A weak secure algorithm is used in a module. Attackers can exploit this vulnerability by capturing and analyzing the messages between devices to obtain information. This can lead to information leak.

This vulnerability was discovered by Huawei internal tester.

2021-11-03 V1.1 UPDATED Updated the “Software Versions and Fixes” section and the updated products are in bold character;

2021-05-12 V1.0 INITIAL

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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 [email protected]. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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