CVE-2022-40265 : What You Need to Know
Learn about CVE-2022-40265, an Improper Input Validation vulnerability in Mitsubishi Electric Corporation models, enabling a DoS attack. Explore the impact, affected systems, and mitigation steps.
A Denial of Service vulnerability has been identified in Mitsubishi Electric Corporation's MELSEC iQ-R Series RJ71EN71 and R04/08/16/32/120ENCPU models. This vulnerability could allow a remote unauthenticated attacker to disrupt the system by sending specially crafted packets.
Understanding CVE-2022-40265
This section will delve into the details of the CVE-2022-40265 vulnerability, its impact, technical aspects, and mitigation strategies.
What is CVE-2022-40265?
The vulnerability involves an Improper Input Validation issue in certain firmware versions of Mitsubishi Electric Corporation's MELSEC iQ-R Series RJ71EN71 and R04/08/16/32/120ENCPU models. It enables an attacker to trigger a Denial of Service condition through malicious packet transmission.
The Impact of CVE-2022-40265
The impact of this vulnerability is categorized as a Denial of Service attack. Exploiting this flaw could lead to a system-wide disruption, requiring a reset for recovery.
Technical Details of CVE-2022-40265
Let's explore the technical specifics of CVE-2022-40265, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from improper input validation in the firmware of the mentioned Mitsubishi Electric Corporation models. It allows an unauthenticated remote attacker to disrupt the system through specially crafted packets.
Affected Systems and Versions
The impacted systems include MELSEC iQ-R Series RJ71EN71 and R04/08/16/32/120ENCPU models running firmware version '65' and earlier.
Exploitation Mechanism
By sending specially crafted packets, a remote unauthenticated attacker can exploit this vulnerability to cause a Denial of Service condition, necessitating a system reset.
Mitigation and Prevention
Discover the essential steps to address and prevent the CVE-2022-40265 vulnerability effectively.
Immediate Steps to Take
Immediate mitigation steps involve applying relevant security patches and closely monitoring network activities for signs of exploitation.
Long-Term Security Practices
Implementing network segmentation, access controls, and regular security audits can enhance overall resilience against potential attacks.
Patching and Updates
Regularly check for firmware updates and security advisories from Mitsubishi Electric Corporation to stay protected against known vulnerabilities.