CVE-2024-42057

State: Published
Severity: 8.1 High
Published: Sep 3, 2024
Updated: Sep 3, 2024
Reserved: Jul 29, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	Zyxel

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
ATP series firmwareZyxel	versions V4.32 through V5.38Affected
USG FLEX series firmwareZyxel	versions V4.50 through V5.38Affected
USG FLEX 50(W) series firmwareZyxel	versions V4.16 through V5.38Affected
USG20(W)-VPN series firmwareZyxel	versions V4.16 through V5.38Affected

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024vendor-advisory

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