VulnerabilityModified

CVE-2021-22393

There is a denial of service vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800.

HIGH 7.5EPSS 0.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.68%). 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 some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800. The affected product cannot deal with some messages because of module design weakness . Attackers can exploit this vulnerability by sending a large amount of specific messages to cause denial of service. This can compromise normal service.

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: 0.68% probability · 50th percentile
CISA KEV: Not listed
Affected: huawei/cloudengine 12800 firmware · huawei/cloudengine 5800 · huawei/cloudengine 6800 firmware · huawei/cloudengine 7800 firmware
Source: psirt@huawei.com

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210324-01-dos-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210324-01-dos-enVendor Advisory

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