CVE-2020-5597 : Vulnerability Insights and Analysis
Learn about CVE-2020-5597 affecting Mitsubishi Electric GOT2000 series. Discover the null pointer dereference flaw, its impact, affected systems, and mitigation steps.
The TCP/IP function in Mitsubishi Electric GOT2000 series is vulnerable to a null pointer dereference issue, potentially enabling remote attackers to disrupt network functions or execute malicious code.
Understanding CVE-2020-5597
The vulnerability lies in the firmware of Mitsubishi Electric GOT2000 series, specifically affecting CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model.
What is CVE-2020-5597?
The TCP/IP function within the firmware of Mitsubishi Electric GOT2000 series contains a null pointer dereference vulnerability. This flaw could be exploited by a remote attacker through a specially crafted packet to halt network functions or launch malicious activities.
The Impact of CVE-2020-5597
The vulnerability could lead to severe consequences, including network disruption and unauthorized execution of malicious programs on the affected devices.
Technical Details of CVE-2020-5597
The following technical aspects are associated with CVE-2020-5597:
Vulnerability Description
The null pointer dereference vulnerability in the TCP/IP function of Mitsubishi Electric GOT2000 series could be leveraged by attackers for network interference or executing unauthorized code.
Affected Systems and Versions
- Affected Product: GOT2000 series GT27, GT25, and GT23
- Vulnerable Version: CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model
Exploitation Mechanism
The vulnerability can be exploited remotely by sending a specially crafted packet to the affected devices, triggering the null pointer dereference flaw.
Mitigation and Prevention
To address CVE-2020-5597, consider the following mitigation strategies:
Immediate Steps to Take
- Apply security patches provided by Mitsubishi Electric Corporation promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and software to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
- Stay informed about security advisories from Mitsubishi Electric Corporation.
- Follow best practices for secure configuration and maintenance of the affected devices.