Security Advisory - Denial of Service Vulnerability in Huawei Product

  • SA No:huawei-sa-20210210-03-dos
  • Initial Release Date: 2021.02.10
  • Last Release Date: 2021.02.10

There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages correctly. Attackers can exploit this vulnerability by sending malicious messages to affected module. This can lead to denial of service. (Vulnerability ID: HWPSIRT-2020-65315)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22320.

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-20210210-03-dos-en

Product Name

Affected Version

Resolved Product and Version

IPS Module

V500R005C00SPC100

V500R005C20SPC500

V500R005C00SPC200

V500R005C20SPC300

NGFW Module

V500R005C00SPC100

V500R005C20SPC500

V500R005C00SPC200

V500R005C20SPC300

NIP6600

V500R001C30SPC200

V500R005SPH008

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

V500R005C20SPC300

V500R005C20SPC500

NIP6800

V500R001C60SPC500

V500R005SPH008

V500R005C00SPC100

V500R005C00SPC200

V500R005C20SPC300

V500R005C20SPC500

Secospace USG6300

V500R001C30SPC200

V500R005C20SCP500

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

V500R005C20SPC300

V500R005C20SPC500

Secospace USG6500

V500R001C30SPC200

V500R005SPH008

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

V500R005C20SPC300

V500R005C20SPC500

Secospace USG6600

V500R001C30SPC200

V500R005SPH008

V500R001C30SPC600

V500R001C60SPC500

V500R005C00SPC100

V500R005C00SPC200

V500R005C20SPC300

V500R005C20SPC500



Attackers can exploit this vulnerability by sending malicious messages to affected module. This can lead to denial of service.

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

Base Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 7.0 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present: 
Attackers can send messages to affected module. 

Vulnerability details:

A module cannot deal with specific messages correctly. Attackers can exploit this vulnerability by sending malicious messages to affected module. This can lead to denial of service.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was discovered by Huawei internal tester.


2021-02-10 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 PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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