CVE-2020-5547 : Vulnerability Insights and Analysis
Learn about CVE-2020-5547, a critical Resource Management Errors vulnerability in Mitsubishi Electric MELQIC IU1 series firmware, allowing remote attackers to disrupt networks or execute malware. Find mitigation steps and preventive measures here.
A Resource Management Errors vulnerability in the TCP function of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to disrupt network functions or execute malware.
Understanding CVE-2020-5547
This CVE involves a critical vulnerability in the firmware of Mitsubishi Electric MELQIC IU1 series.
What is CVE-2020-5547?
The CVE-2020-5547 vulnerability is a Resource Management Errors issue in the TCP function of the affected firmware, enabling attackers to exploit the system via specially crafted packets.
The Impact of CVE-2020-5547
The vulnerability permits remote threat actors to halt network operations or introduce malicious code into the system, posing severe security risks.
Technical Details of CVE-2020-5547
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability lies in the TCP function of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier, allowing attackers to disrupt network services or execute malware.
Affected Systems and Versions
- Affected Product: Mitsubishi Electric MELQIC IU1 series
- Vendor: Mitsubishi Electric Corporation
- Vulnerable Version: IU1-1M20-D firmware version 1.0.7 and earlier
Exploitation Mechanism
Attackers can exploit this vulnerability remotely by sending specially crafted packets to the target system, leading to network disruption or malware execution.
Mitigation and Prevention
Protecting systems from CVE-2020-5547 requires immediate actions and long-term security measures.
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 activity.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
- Educate users and IT staff on cybersecurity best practices to enhance overall security posture.
Patching and Updates
Ensure that all systems running the affected firmware version are updated with the latest patches released by Mitsubishi Electric Corporation to mitigate the CVE-2020-5547 vulnerability.