Learn about CVE-2022-40224, a denial of service vulnerability in Moxa SDS-3008 Series Industrial Ethernet Switch version 2.1, impacting availability and how to mitigate it.
A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. An attacker can send a specially-crafted HTTP message header to trigger this vulnerability.
Understanding CVE-2022-40224
This section covers the details related to CVE-2022-40224.
What is CVE-2022-40224?
CVE-2022-40224 is a denial of service vulnerability found in the Moxa SDS-3008 Series Industrial Ethernet Switch version 2.1. It can be exploited by sending a malicious HTTP request.
The Impact of CVE-2022-40224
This vulnerability can lead to a denial of service condition in affected systems, impacting the availability of the web server functionality.
Technical Details of CVE-2022-40224
In this section, you will find the technical aspects of CVE-2022-40224.
Vulnerability Description
The vulnerability is classified under CWE-410: Insufficient Resource Pool. By sending a specially-crafted HTTP message header, an attacker can cause a denial of service.
Affected Systems and Versions
The vulnerability affects Moxa SDS-3008 Series Industrial Ethernet Switch version 2.1.
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a malicious HTTP request to the web server, triggering the denial of service condition.
Mitigation and Prevention
Here, you will learn how to mitigate and prevent exploitation of CVE-2022-40224.
Immediate Steps to Take
Immediately apply vendor-supplied patches or updates to address the vulnerability. Implement network security measures to filter out potentially malicious traffic.
Long-Term Security Practices
Regularly monitor for security advisories from Moxa and other vendors. Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
Ensure that you regularly update the firmware of the Moxa SDS-3008 Series Industrial Ethernet Switch to the latest version to protect against known vulnerabilities.