Zyxel NAS Pre-Auth Command Injection vulnerability (CVE-2023-27992)

critical Nessus Plugin ID 200304

Synopsis

The remote security gateway is affected by a remote rode execution vulnerability.

Description

The Zyxel NAS is potentially affected by a pre-authentication command injection vulnerability. This Zyxel device firmware is missing authentication logic which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported model number.

Solution

See Vendor Advisory.

See Also

http://www.nessus.org/u?93d6683b

Plugin Details

Severity: Critical

ID: 200304

File Name: zyxel_nas_CVE-2023-27992.nasl

Version: 1.2

Type: local

Family: Misc.

Published: 6/11/2024

Updated: 6/11/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-27992

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:zyxel:nas

Required KB Items: installed_sw/Zyxel NAS

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/20/2023

Vulnerability Publication Date: 6/20/2023

CISA Known Exploited Vulnerability Due Dates: 7/14/2023

Reference Information

CVE: CVE-2023-27992