CVE-2023-4473

EPSS 37.81%
Published 30.11.2023 02:15:43
Last modified 21.11.2024 08:35:14
Source security@zyxel.com.tw
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A 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.

Affected products Warnungen 0 Metrics 2 CWE 1 References 5

Data is provided by the National Vulnerability Database (NVD)

Zyxel ≫ Nas326 Firmware Version <= 5.21\(aazf.14\)c0

Zyxel ≫ Nas326 Version-

Zyxel ≫ Nas542 Firmware Version <= 5.21\(abag.11\)c0

Zyxel ≫ Nas542 Version-

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	37.81%	0.971

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
security@zyxel.com.tw	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-authentication-bypass-and-command-injection-vulnerabilities-in-nas-products

Patch

Vendor Advisory

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://nvd.nist.gov/vuln/detail/CVE-2023-4473

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2023-4473

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2023-4473

EUVD