#VU60816 OS Command Injection in NBG6816 (Armor Z1) and NBG6817 (Armor Z2) - CVE-2021-4029

 

#VU60816 OS Command Injection in NBG6816 (Armor Z1) and NBG6817 (Armor Z2) - CVE-2021-4029

Published: February 23, 2022


Vulnerability identifier: #VU60816
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-4029
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
NBG6816 (Armor Z1)
NBG6817 (Armor Z2)
Software vendor:
ZyXEL Communications Corp.

Description

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

The vulnerability exists due to improper input validation. A local attacker can execute arbitrary OS commands on the target system.

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


Remediation

Install updates from vendor's website.

External links