Memory leak in Huawei products - CVE-2021-22312

Vulnerability identifier: #VU50647

CSH Severity: Medium

CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22312

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak. A remote authenticated attacker can force the application to leak memory and perform denial of service attack.

Huawei Secospace USG6500
Huawei Secospace USG6600
Huawei Secospace USG6300
USG9500
Huawei NGFW Module
Huawei IPS Module

Install updates from vendor's website.

Huawei Secospace USG6500 - update to V500R005C20SPC500
USG9500 - update to V500R005C20SCP500
Huawei Secospace USG6600 - update to V500R005C20SPC500
Huawei Secospace USG6300 - update to V500R005C20SPC500
Huawei NGFW Module - update to V500R005SPH008
Huawei IPS Module - update to V500R005SPH008

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

• Denial of service in Some Huawei Products