CVE-2020-5652 : Vulnerability Insights and Analysis
Learn about CVE-2020-5652, a vulnerability in Mitsubishi Electric's MELSEC iQ-R, Q, and L series CPU modules allowing remote attackers to disrupt Ethernet communication, potentially leading to a denial of service (DoS) condition. Find mitigation steps and preventive measures here.
A vulnerability in Ethernet Ports on Mitsubishi Electric Corporation's MELSEC iQ-R, Q, and L series CPU modules could allow a remote attacker to disrupt Ethernet communication, potentially leading to a denial of service (DoS) condition.
Understanding CVE-2020-5652
This CVE identifies an uncontrolled resource consumption vulnerability affecting specific CPU firmware versions of MELSEC iQ-R, Q, and L series products.
What is CVE-2020-5652?
The vulnerability allows an unauthenticated remote attacker to halt Ethernet communication functions by sending a malicious packet, potentially causing a DoS situation.
The Impact of CVE-2020-5652
Exploitation of this vulnerability could result in a disruption of critical communication functions, leading to a denial of service condition for the affected products.
Technical Details of CVE-2020-5652
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The uncontrolled resource consumption vulnerability affects specific CPU firmware versions of MELSEC iQ-R, Q, and L series CPU modules, enabling attackers to disrupt Ethernet communication.
Affected Systems and Versions
- MELSEC iQ-R, Q, and L series CPU modules with specific firmware versions are impacted.
Exploitation Mechanism
- Attackers can exploit the vulnerability by sending specially crafted packets to the Ethernet Ports, causing a halt in communication functions.
Mitigation and Prevention
Protecting systems from CVE-2020-5652 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to mitigate the vulnerability.
- Implement network segmentation to limit exposure to potential attacks.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update firmware and software to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
Patching and Updates
- Stay informed about security advisories from Mitsubishi Electric Corporation and apply patches promptly to secure the systems.