#VU60025 Command Injection in Huawei AIS-BW80H-00 - CVE-2021-40043

Vulnerability identifier: #VU60025

Vulnerability risk: Low

CVSSv4.0: 4.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-40043

CWE-ID: CWE-77

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Huawei AIS-BW80H-00
Hardware solutions / Firmware

Vendor: Huawei

Description

The vulnerability allows a local attacker to execute arbitrary commands on the target system.

The vulnerability exists due to the device does not effectively defend against malicious interference from the outside. A local attacker can pass specially crafted data to the application and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei AIS-BW80H-00: before 9.0.3.4(H100SP17C00)

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220126-01-df75863e-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.