#VU75463 Path traversal in USG FLEX series and VPN series - CVE-2023-22914
Published: April 25, 2023
Vulnerability identifier: #VU75463
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-22914
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
USG FLEX series
VPN series
USG FLEX series
VPN series
Software vendor:
ZyXEL Communications Corp.
ZyXEL Communications Corp.
Description
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the "account_print.cgi" CGI program. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary OS commands execution.
Remediation
Install update from vendor's website.