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Vulnerability record · CVE-2020-9213 · published 22 March 2021

CVE-2020-9213: Huawei ngfw module firmware vulnerability

Huawei · Ngfw Module Firmware

There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling of the packets, an attacker may craft many specific packets. Successful exploit may cause some services to be abnormal. Affected products include some versions of NGFW Module, NIP6300, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500, Secospace USG6600 and SG9500.

7.5 CVSS 3.1 High EPSS 0.75% · top 45.8%
7.5CVSS 3.1 base score, v2 5.0
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling of the packets, an attacker may craft many specific packets. Successful exploit may cause some services to be abnormal. Affected products include some versions of NGFW Module, NIP6300, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500, Secospace USG6600 and SG9500.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-02-dos-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-02-dos-en Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-9213), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.