CVE-2022-0342 Information

Description

An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70 USG FLEX series firmware versions 4.50 through 5.20 ATP series firmware versions 4.32 through 5.20 VPN series firmware versions 4.30 through 5.20 and NSG series firmware versions V1.20 through V1.33 Patch 4 which could allow an attacker to bypass the web authentication and obtain administrative access of the device.

CVSS Vector

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

Reference

https://www.zyxel.com/support/Zyxel-security-advisory-for-authentication-bypass-vulnerability-of-firewalls.shtml

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8