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CVE-2024-42057

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CVE-2024-42057

Published: Sep 3, 2024

Modified: Sep 3, 2024

PUBLISHED

CVSS v3.1

8.1

HIGH

Description

A command injection vulnerability in the IPSec VPN feature of Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V4.16 through V5.38, and USG20(W)-VPN series firmware versions from V4.16 through V5.38 could allow an unauthenticated attacker to execute some OS commands on an affected device by sending a crafted username to the vulnerable device. Note that this attack could be successful only if the device was configured in User-Based-PSK authentication mode and a valid user with a long username exceeding 28 characters exists.

VendorProductVersions

Zyxel

ATP series firmware

affected
versions V4.32 through V5.38

Zyxel

USG FLEX series firmware

affected
versions V4.50 through V5.38

Zyxel

USG FLEX 50(W) series firmware

affected
versions V4.16 through V5.38

Zyxel

USG20(W)-VPN series firmware

affected
versions V4.16 through V5.38

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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