Information disclosure in Huawei products - CVE-2021-22342

Vulnerability identifier: #VU53790

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22342

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote administrator can gain unauthorized access to sensitive information on the system.

USG9500
Huawei IPS Module
Huawei NGFW Module
Huawei SeMG9811

Install updates from vendor's website.

USG9500 - update to V500R005C20SPC500+V500R005SPH008
Huawei IPS Module - update to V500R005C20SPC500+V500R005SPH008
Huawei NGFW Module - update to V500R005C20SPC500+V500R005SPH008
Huawei SeMG9811 - update to V500R005C00SPC200+V500R005SPH008

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-infomationleak-en

• Information disclosure in several Huawei Products