CVE-2023-4474

critical · 9.8

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.

9.8

CVSS

29.7%

EPSS (exploit prob.)

98th

EPSS percentile

2023-11-30

Published

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

Weaknesses

CWE-78

Affected products

Vendor	Product	Affected versions
zyxel	nas326_firmware	<= 5.21\(aazf.14\)c0
zyxel	nas326	all versions
zyxel	nas542_firmware	<= 5.21\(abag.11\)c0
zyxel	nas542	all versions

Check a specific version with /api/v1/cve/match.

References

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
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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-4474