CVE-2021-22393: Huawei Cloudengine 12800 Firmware

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Huawei Cloudengine 12800 Firmware: version v200r002c50spc800 only; version v200r003c00spc810 only; version v200r005c00spc800 only; version v200r005c10spc800 only
• Huawei Cloudengine 5800: version v200r002c50spc800 only; version v200r003c00spc810 only; version v200r005c00spc800 only; version v200r005c10spc800 only
• Huawei Cloudengine 6800 Firmware: version v200r002c50spc800 only; version v200r003c00spc810 only; version v200r005c00spc800 only; version v200r005c10spc800 only
• Huawei Cloudengine 7800 Firmware: version v200r002c50spc800 only; version v200r003c00spc810 only; version v200r005c00spc800 only; version v200r005c10spc800 only

Published 2021-04-28. Last modified 2026-06-17.