Main Vulnerability Database Vulnerabilities #VU50286

Information disclosure in Huawei products - CVE-2021-22309

Published: February 3, 2021

Vulnerability identifier: #VU50286

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22309

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a module uses less random input in a secure mechanism. A remote attacker can gain unauthorized access to sensitive information on the system.

Affected software

USG9500
Huawei USG9520
Huawei USG9560
USG9580

How to mitigate CVE-2021-22309

Install updates from vendor's website.

USG9500 - update to V500R005C20SPC300
Huawei USG9520 - update to V500R005C20SPC300
Huawei USG9560 - update to V500R005C20SPC300
USG9580 - update to V500R005C20SPC300

External References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-en

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