CVE-2023-28767

State: Published
Severity: 8.8 High
Published: Jul 17, 2023
Updated: Nov 7, 2024
Reserved: Mar 23, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:A/AC:L/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	5.10 through 5.36Affected
USG FLEX series firmwareZyxel	5.00 through 5.36Affected
USG FLEX 50(W) series firmwareZyxel	5.10 through 5.36Affected
USG20(W)-VPN series firmwareZyxel	5.10 through 5.36Affected
VPN series firmwareZyxel	5.00 through 5.36Affected

References

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

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