CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-03-22 08:15

Updated : 2021-03-24 08:32

NVD link : CVE-2021-22321

Mitre link : CVE-2021-22321

Products Affected

Huawei

Secospace Usg6500 Firmware

CWE
CWE-416