CVE-2023-4474

The improper neutralization of special elements in the WSGI server of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.

Published: Nov 30, 2023
Updated: Dec 1, 2023
CVE: CVE-2023-4474
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

CWE-78

OWASP TOP 10:

A1 - Injection

Affected Software
References

Software	From	Fixed in
zyxel / nas326_firmware	-	5.21\(aazf.14\)c0.x
zyxel / nas542_firmware	-	5.21\(abag.11\)c0.x

https://bugprove.com/knowledge-hub/cve-2023-4473-and-cve-2023-4474-authentication-bypass-and-multiple-blind-os-command-injection-vulnerabilities-in-zyxel-s-nas-326-devices/
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products

Vulnerability Database

290,020

CVE-2023-4474