CVE-2022-40266 Explained : Impact and Mitigation
Learn about CVE-2022-40266, an Improper Input Validation vulnerability in Mitsubishi Electric GOT2000 Series FTP servers, allowing DoS attacks. Find mitigation steps and impact details.
A Denial-of-Service (DoS) vulnerability has been identified in the FTP server function on Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models.
Understanding CVE-2022-40266
This section will cover an overview of the CVE-2022-40266 vulnerability, its impact, technical details, and mitigation steps.
What is CVE-2022-40266?
The CVE-2022-40266 vulnerability is an Improper Input Validation issue in the FTP server versions 01.39.000 and prior of Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models. It allows a remote authenticated attacker to trigger a Denial of Service (DoS) condition by sending specially crafted commands.
The Impact of CVE-2022-40266
The main impact of CVE-2022-40266 is a Denial of Service (DoS) condition, leading to the disruption of service availability on the affected Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models.
Technical Details of CVE-2022-40266
In this section, we will delve into the specific technical details of the CVE-2022-40266 vulnerability.
Vulnerability Description
The vulnerability arises from improper input validation in the FTP server versions 01.39.000 and prior of Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models, enabling a remote authenticated attacker to execute a DoS attack.
Affected Systems and Versions
The affected systems include Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models running FTP server versions 01.39.000 and prior.
Exploitation Mechanism
An attacker with remote authenticated access can exploit this vulnerability by sending specially crafted commands to the impacted FTP servers, triggering a DoS condition.
Mitigation and Prevention
This section will outline the recommended actions to mitigate and prevent the exploitation of CVE-2022-40266.
Immediate Steps to Take
Users are advised to update the FTP server versions on Mitsubishi Electric GOT2000 Series GT27, GT25, and GT23 models to address the vulnerability and prevent potential DoS attacks.
Long-Term Security Practices
Implementing strong access controls, regular security updates, and monitoring network traffic can enhance the overall security posture and reduce the risk of similar vulnerabilities.
Patching and Updates
Regularly check for security patches and updates provided by Mitsubishi Electric to ensure that the systems are protected against known vulnerabilities.