CVE-2023-4474 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.16275.

Exploitation PoC

Automatable Yes

Technical Impact Total

Vendors	Products
Zyxel Subscribe	Nas326 Subscribe Nas326 Firmware Subscribe Nas542 Subscribe Nas542 Firmware Subscribe

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:zyxel:nas542_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nas542:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
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

History

Thu, 13 Feb 2025 18:15:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:o:zyxel:nas326_firmware:5.21\(aazf.14\)c0:::::::* cpe:2.3:o:zyxel:nas542_firmware:5.21\(abag.11\)c0:::::::*
Metrics		ssvc `{'options': {'Automatable': 'Yes', 'Exploitation': 'PoC', 'Technical Impact': 'Total'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2023-11-30T01:45:29.920Z

Updated: 2025-02-13T17:13:42.559Z

Reserved: 2023-08-22T06:51:34.440Z

Link: CVE-2023-4474

Vulnrichment

Updated: 2024-08-02T07:31:05.490Z

NVD

Status : Modified

Published: 2023-11-30T02:15:43.553

Modified: 2024-11-21T08:35:14.640

Link: CVE-2023-4474

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

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