CVE-2021-22321 Information

Description

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.

CVSS Vector

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

Reference

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.3