CVE-2023-27988

Severity CVSS v4.0:

Pending analysis

Type:

CWE-78 OS Command Injections

Publication date:

30/05/2023

Last modified:

02/06/2023

Description

The post-authentication command injection vulnerability in the Zyxel NAS326 firmware versions prior to V5.21(AAZF.13)C0 could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device remotely.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.20

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:zyxel:nas326_firmware::::::::		5.21\(aazf.13\)c0 (excluding)
cpe:2.3:h:zyxel:nas326:-:::::::*
cpe:2.3:o:zyxel:nas540_firmware::::::::		5.21\(aatb.10\)c0 (excluding)
cpe:2.3:h:zyxel:nas540:-:::::::*
cpe:2.3:o:zyxel:nas542_firmware::::::::		5.21\(abag.10\)c0 (excluding)
cpe:2.3:h:zyxel:nas542:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

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