CVE-2021-22320

HIGH
7.5
CVSS Score
Published: March 22, 2021 at 06:41 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
14 products affected across 1 vendorSecospace USG6600 FirmwareSecospace USG6300 FirmwareSecospace USG6500 Firmware

Using IPS Module;NGFW Module;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600 by N/A?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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