CVE-2021-22332: Huawei Cloudengine 12800 Firmware

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

There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800. When a function is called, the same memory pointer is copied to two functional modules. Attackers can exploit this vulnerability by performing a malicious operation to cause the pointer double free. This may lead to module crash, compromising normal service.

Affected products

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