Vulnerability · Published Mar 22, 2021 · Assigned by huawei

CVE-2021-22320

High 7.5

In plain English

A high-severity security flaw in IPS Module;NGFW Module;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)0.8%top 44.8% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
n/a	IPS Module;NGFW Module;NIP6600;NIP6800;Secospace USG6300;Secospace USG6500;Secospace USG6600	V500R005C00SPC100,V500R005C00SPC200,V500R005C20SPC300V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200,V500R005C20SPC300,V500R005C20SPC500V500R001C60SPC500,V500R005C00SPC100,V500R005C00SPC200,V500R005C20SPC300,V500R005C20SPC500

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-03-dos-en x_refsource_MISC