CVE-2023-22913 HIGH

CVE-2023-22913

Vendor Zyxel
Product USG FLEX series firmware
Weakness CWE-77
Published April 24, 2023
Last update February 12, 2025

CVSS base score

8.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

What the vulnerability does

01Description

A post-authentication command injection vulnerability in the “account_operator.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker to modify device configuration data, resulting in denial-of-service (DoS) conditions on an affected device.

Key dates

02Disclosure timeline

April 24, 2023 CVE published
February 12, 2025 Record updated