CVE-2021-35029 CRITICAL

CVE-2021-35029

Vendor Zyxel
Product USG/Zywall series Firmware
Weakness CWE-287 · Improper authentication
Published July 2, 2021
Last update August 4, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.

Key dates

02Disclosure timeline

July 2, 2021 CVE published
August 4, 2024 Record updated