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Security Advisory - Weak Algorithm Vulnerability in Some Huawei Products

  • SA No:huawei-sa-20200108-01-rsa
  • Initial Release Date: Jan 08, 2020
  • Last Release Date: Jan 11, 2020

There is a weak algorithm vulnerability in some Huawei products. The affected products use the RSA algorithm in the SSL key exchange algorithm which have been considered as a weak algorithm. Attackers may exploit this vulnerability to leak some information. (Vulnerability ID: HWPSIRT-2019-04082) 
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1810. 
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-20200108-01-rsa-en

Product Name

Affected Version

Resolved Product and Version

CloudEngine 12800

V100R003C00SPC600

Upgrade to V200R019C00SPC800

V100R003C10SPC100

V100R005C00SPC200

V100R005C00SPC300

V100R005C10HP0001

V100R005C10SPC100

V100R005C10SPC200

V100R006C00

V200R001C00

V200R002C01

V200R002C10

V200R002C20

V200R005C10

S5700

V200R005C00SPC500

Upgrade to V200R008C00

V200R005C03

V200R006C00SPC100

V200R006C00SPC300

V200R006C00SPC500

V200R007C00SPC100

V200R007C00SPC500

S6700

V200R005C00SPC500

Upgrade to V200R008C00

V200R005C01



Attackers may exploit this vulnerability to leak some information.


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

Base Score: 3.7 (AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N) 

Temporal Score: 3.5 (E:F/RL:O/RC:C) 

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

The attacker could gain the access to the network.

Vulnerability details:

The affected products use the RSA algorithm in the SSL key exchange algorithm which have been considered as a weak algorithm. Attackers may exploit this vulnerability to leak some information.


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.


2020-01-11 V1.1 UPDATED Updated the "Software Versions and Fixes" section;
2020-01-08 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.