#VU75461 OS Command Injection in ZyXEL Communications Corp. products - CVE-2023-28771
Published: April 25, 2023 / Updated: June 14, 2024
Vulnerability identifier: #VU75461
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-28771
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
ATP series
USG FLEX series
VPN series
USG series
ZyWALL
ATP series
USG FLEX series
VPN series
USG series
ZyWALL
Software vendor:
ZyXEL Communications Corp.
ZyXEL Communications Corp.
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote unauthenticated attacker can pass specially crafted data to the application and 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.