CVE-2021-22321

https://notcve.org/view.php?id=CVE-2021-22321

There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500. • https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en • CWE-416: Use After Free •