CVE-2020-5595 : What You Need to Know
Learn about CVE-2020-5595, a buffer overflow vulnerability in Mitsubishi Electric GOT2000 series TCP/IP function, allowing remote attackers to disrupt network operations or execute malicious code. Find mitigation steps and preventive measures here.
The TCP/IP function in Mitsubishi Electric GOT2000 series is vulnerable to a buffer overflow, potentially enabling remote attackers to disrupt network functions or execute malicious code.
Understanding CVE-2020-5595
The vulnerability lies in the TCP/IP function of the firmware installed in GT27, GT25, and GT23 models of the Mitsubishi Electric GOT2000 series.
What is CVE-2020-5595?
The buffer overflow vulnerability in the TCP/IP function of Mitsubishi Electric GOT2000 series may permit remote attackers to interfere with network operations or run unauthorized code by sending a crafted packet.
The Impact of CVE-2020-5595
Exploitation of this vulnerability could lead to severe consequences, such as halting network functions or executing malicious programs on the affected devices.
Technical Details of CVE-2020-5595
The vulnerability is due to improper restriction of operations within the bounds of a memory buffer.
Vulnerability Description
The TCP/IP function in the firmware of Mitsubishi Electric GOT2000 series is susceptible to a buffer overflow, potentially exploited by remote attackers.
Affected Systems and Versions
- Product: GOT2000 series GT27, GT25, and GT23
- Vendor: Mitsubishi Electric Corporation
- Vulnerable Version: CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model
Exploitation Mechanism
Remote attackers can exploit the buffer overflow vulnerability by sending specially crafted packets to the affected devices.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-5595.
Immediate Steps to Take
- Apply security patches provided by Mitsubishi Electric Corporation promptly.
- Implement network segmentation to minimize 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 and apply patches as soon as they are released.