CVE-2021-22321: Use After Free
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-22321?
CVE-2021-22321 has been classified with a high severity due to its potential to compromise system memory integrity.
How do I fix CVE-2021-22321?
To mitigate CVE-2021-22321, update the affected Huawei products to the latest firmware versions that address this vulnerability.
What are the affected products related to CVE-2021-22321?
CVE-2021-22321 affects various Huawei firmware versions including NIP6300, NIP6600, NIP6800, and several models from the S series.
What type of vulnerability is CVE-2021-22321?
CVE-2021-22321 is a use-after-free vulnerability that can be exploited through specific malicious operations.
Can CVE-2021-22321 lead to service disruption?
Yes, exploitation of CVE-2021-22321 can lead to service disruption by compromising normal system operations.