CVE-2021-22320

Description

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 an affected module. This can lead to denial of service. Affected product include some versions of IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500 and Secospace USG6600.

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Vendor Advisory huawei.com
Affected: n/a IPS Module;NGFW Module;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-22320?
CVE-2021-22320 has been scored as a high severity vulnerability.
How to fix CVE-2021-22320?
To fix CVE-2021-22320, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22320 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22320 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22320?
CVE-2021-22320 affects n/a IPS Module;NGFW Module;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.