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Security Advisory - Out-Of-Bounds Read Vulnerability On Several Huawei Products

  • SA No:huawei-sa-20210616-01-cgp
  • Initial Release Date: 2021-06-16
  • Last Release Date: 2021-06-16

There is an out-of-bounds read vulnerability on several Huawei products. The vulnerability is due to a message-handling function that contains an out-of-bounds read vulnerability. An attacker can exploit this vulnerability by sending a specific message to the target device, which could cause a Denial of Service (DoS). (Vulnerability ID: HWPSIRT-2020-84056)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2021-22383.

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-20210616-01-cgp-en


Product Name

Affected Version

Resolved Product and Version

eCNS280_TD

V100R005C10

V100R005C10SPC800B010

eSE620X vESS

V100R001C10SPC200

V200R001C00SPC360

V100R001C20SPC200

V200R001C00SPC300



Successful exploit could cause Denial of Service (DoS).


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

Base Score: 4.4 (AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)

Temporal Score: 4.1 (E:F/RL:O/RC:C)

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

Attackers can send packets to affected module.

Vulnerability details:

There is an out-of-bounds read vulnerability on several Huawei products. The vulnerability is due to a message-handling function that contains an out-of-bounds read vulnerability. An attacker can exploit this vulnerability by sending a specific message to the target device, which could cause a Denial of Service (DoS).


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/index.htm

This vulnerability was discovered by Huawei internal tester.


2021-06-16 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.

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