Zyxel Command Injection (CVE-2022-30525) (Direct Check)

critical Nessus Plugin ID 169906

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Synopsis

A remote host is missing a vendor-supplied update.

Description

The remote host is a Zyxel device that is affected by a remote command injection vulnerability due to improper validation of user input. A remote, unauthenticated attacker can exploit this issue, via a specially crafted HTTP request, to execute commands as the 'nobody' user on the remote host.

Solution

Upgrade to Zyxel firmware ZLD V5.30 or later.

Plugin Details

Severity: Critical

ID: 169906

File Name: zyxel_CVE-2022-30525.nbin

Version: 1.23

Type: remote

Family: CGI abuses

Published: 1/11/2023

Updated: 4/15/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2022-30525

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:zyxel:usg_flex, x-cpe:/h:zyxel:usg

Required KB Items: installed_sw/Zyxel Unified Security Gateway (USG)

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/28/2022

Vulnerability Publication Date: 5/12/2022

CISA Known Exploited Vulnerability Due Dates: 6/6/2022

Exploitable With

Metasploit (Zyxel Firewall ZTP Unauthenticated Command Injection)

Reference Information

CVE: CVE-2022-30525

Detections

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