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Vulnerability record · CVE-2021-22332 · published 28 April 2021

CVE-2021-22332: Huawei cloudengine 12800 firmware double free vulnerability

Huawei · Cloudengine 12800 Firmware

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.

7.5 CVSS 3.1 High EPSS 0.68% · top 48.7% CWE-415 · Double free
7.5CVSS 3.1 base score, v2 5.0
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210407-01-doublefree-en Vendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210407-01-doublefree-en Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-22332), CISA KEV, FIRST EPSS (scores of 2026-10-18). This page is refreshed as NVD updates the record.