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CVE-2023-28767

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CVE-2023-28767

Published: Jul 17, 2023

Modified: Nov 7, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36,  USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.

VendorProductVersions

Zyxel

ATP series firmware

affected
5.10 through 5.36

Zyxel

USG FLEX series firmware

affected
5.00 through 5.36

Zyxel

USG FLEX 50(W) series firmware

affected
5.10 through 5.36

Zyxel

USG20(W)-VPN series firmware

affected
5.10 through 5.36

Zyxel

VPN series firmware

affected
5.00 through 5.36

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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