CVE-2020-5645 : What You Need to Know

A session fixation vulnerability in the TCP/IP function of the GT14 Model of GOT 1000 series by Mitsubishi Electric Corporation allows remote unauthenticated attackers to disrupt network functions through specially crafted packets.

Understanding CVE-2020-5645

This CVE involves a critical vulnerability in the firmware of specific Mitsubishi Electric products.

What is CVE-2020-5645?

The CVE-2020-5645 vulnerability pertains to a session fixation issue in the TCP/IP function of the GT14 Model of GOT 1000 series, potentially enabling unauthorized remote access to disrupt network operations.

The Impact of CVE-2020-5645

The vulnerability could be exploited by malicious actors to halt network functions of affected products using crafted packets, posing a significant risk to system integrity and operations.

Technical Details of CVE-2020-5645

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability lies in the TCP/IP function of the GT14 Model of GOT 1000 series, allowing remote unauthenticated attackers to disrupt network functions through specially crafted packets.

Affected Systems and Versions

Product: GT14 Model of GOT 1000 series
Vendor: Mitsubishi Electric Corporation
Versions affected: GT1455-QTBDE CoreOS version '05.65.00.BD' and earlier, GT1450-QMBDE CoreOS version '05.65.00.BD' and earlier, GT1450-QLBDE CoreOS version '05.65.00.BD' and earlier, GT1455HS-QTBDE CoreOS version '05.65.00.BD' and earlier, GT1450HS-QMBDE CoreOS version '05.65.00.BD' and earlier

Exploitation Mechanism

The vulnerability can be exploited by sending specially crafted packets to the affected devices, triggering the session fixation flaw and disrupting network functions.

Mitigation and Prevention

Effective strategies to mitigate and prevent exploitation of CVE-2020-5645.

Immediate Steps to Take

Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity or unauthorized access attempts.
Apply firewall rules to restrict access to vulnerable devices.

Long-Term Security Practices

Regularly update firmware and security patches provided by Mitsubishi Electric Corporation.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply the latest firmware updates and security patches released by Mitsubishi Electric Corporation to address the session fixation vulnerability and enhance system security.