CVE-2023-37927

2023-11-3002:15:42

CWE-78

[email protected]

web.nvd.nist.gov

vulnerability

zyxel

nas326

nas542

firmware

cgi program

os commands

authenticated attacker

crafted url

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

20.5%

JSON

The improper neutralization of special elements in the CGI program of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an authenticated attacker to execute some operating system (OS) commands by sending a crafted URL to a vulnerable device.

Affected configurations

NVD

Node

zyxelnas326_firmwareRange≤5.21\(aazf.14\)c0

AND

zyxelnas326Match-

Node

zyxelnas542_firmwareRange≤5.21\(abag.11\)c0

AND

zyxelnas542Match-

References

bugprove.com/knowledge-hub/cve-2023-37927-and-cve-2023-37928-multiple-post-auth-blind-os-command-and-python-code-injection-vulnerabilities-in-zyxel-s-nas-326-devices/

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