OS Command Injection in ZyXEL Communications Corp. products - CVE-2022-38547
Published: February 7, 2023
Vulnerability identifier: #VU71972
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-38547
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
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 user 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.