CVE-2023-33011 Information

Description

A format string vulnerability in the Zyxel ATP series firmware versions 5.10 through 5.36 Patch 2 USG FLEX series firmware versions 5.00 through 5.36 Patch 2 USG FLEX 50(W) series firmware versions 5.10 through 5.36 Patch 2 USG20(W)-VPN series firmware versions 5.10 through 5.36 Patch 2 and VPN series firmware versions 5.00 through 5.36 Patch 2 could allow an unauthenticated LAN-based attacker to execute some OS commands by using a crafted PPPoE configuration on an affected device when the cloud management mode is enabled.

CVSS Vector

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

Reference

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

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

8.8