CVE-2023-4474
published 2023-11-30CVE-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…
critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
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.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| zyxel | nas326_firmware | <= 5.21\(aazf.14\)c0 | — |
| zyxel | nas326_firmware | — | — |
| zyxel | nas542_firmware | <= 5.21\(abag.11\)c0 | — |
| zyxel | nas542_firmware | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vulncheck9.8CRITICAL