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CVE-2022-30525 Command injection

Immediate
Remediate Within 48 Hours

CVE Information

Original CVE data

Published:
Updated:

A OS command injection vulnerability in the CGI program of Zyxel USG FLEX 100(W) firmware versions 5.00 through 5.21 Patch 1, USG FLEX 200 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 500 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 700 firmware versions 5.00 through 5.21 Patch 1, USG FLEX 50(W) firmware versions 5.10 through 5.21 Patch 1, USG20(W)-VPN firmware versions 5.10 through 5.21 Patch 1, ATP series firmware versions 5.10 through 5.21 Patch 1, VPN series firmware versions 4.60 through 5.21 Patch 1, which could allow an attacker to modify specific files and then execute some OS commands on a vulnerable device.

CWE: CWE-78
CVSS v210
AV:N/AC:L/AU:N/C:C/I:C/A:C
CVSS v39.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
https://www.zyxel.com/support/Zyxel-security-advisory-for-OS-command-injection-vulnerability-of-firewalls.shtml
http://packetstormsecurity.com/files/167182/Zyxel-Firewall-ZTP-Unauthenticated-Command-Injection.html
http://packetstormsecurity.com/files/167176/Zyxel-Remote-Command-Execution.html
http://packetstormsecurity.com/files/167372/Zyxel-USG-FLEX-5.21-Command-Injection.html
http://packetstormsecurity.com/files/168202/Zyxel-Firewall-SUID-Binary-Privilege-Escalation.html
Affected Vendors

Zyxel - (16)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Command injection

CVSS Scores as calculated by PRIOnengine
CVSS v210
AV:N/AC:L/AU:N/C:C/I:C/A:C
CVSS v39.8
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
MITRE CWE Top 25

Vulnerability weakness type is in the top 25 CWEs according to MITRE. View Mitre Top 25 CWEs

Exploits

Exploits are available either through exploit packs, Github repos or the world wide web in general.

Active Exploitation

Vulnerability is referenced under CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

Vulnerability is mentioned or trending in social media.

Threat Actor Activity

Vulnerability is being actively exploited by threat actors during campaigns.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

T1499.004 - Endpoint Denial of Service (Application or System Exploitation)
T1190 - Exploit Public-Facing Application
T1133 - External Remote Services
T1083 - File and Directory Discovery
T1059 - Command and Scripting Interpreter
T1005 - Data from Local System

Compliance Impact

How the submited vulnerability affects compliance

PCI DSS v3.2.1-6.5.1 - Injection Flaws

Web Application Security Frameworks

Applicable if the issue likely affects a web application

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