VulnerabilityModified

CVE-2021-22320

There is a denial of service vulnerability in Huawei products.

HIGH 7.5EPSS 0.73%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.73% probability · 52th percentile
CISA KEV: Not listed
Affected: huawei/ips module firmware · huawei/ngfw module firmware · huawei/nip6600 firmware · huawei/nip6800 firmware · huawei/secospace usg6300 firmware · huawei/secospace usg6500 firmware · huawei/secospace usg6600 firmware
Source: psirt@huawei.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.