CVE-2023-4473
critical · 9.8A command injection vulnerability in the web 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
41.3%
EPSS (exploit prob.)
99th
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-2023-4473