CVE-2020-13559 : Exploit Details and Defense Strategies
Learn about CVE-2020-13559, a medium-severity denial-of-service vulnerability in FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A denial-of-service vulnerability exists in the traffic-logging functionality of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. An attacker can exploit this vulnerability by sending a specially crafted packet, leading to a denial of service.
Understanding CVE-2020-13559
This CVE involves a denial-of-service vulnerability in FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028.
What is CVE-2020-13559?
CVE-2020-13559 is a vulnerability in the traffic-logging feature of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. It can be triggered by a malicious packet, causing a denial of service.
The Impact of CVE-2020-13559
The impact of this vulnerability is rated as medium severity with a CVSS base score of 5.9. It can result in a high impact on availability.
Technical Details of CVE-2020-13559
This section provides technical details of the CVE.
Vulnerability Description
The vulnerability allows an attacker to perform a denial-of-service attack by exploiting the traffic-logging functionality of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028.
Affected Systems and Versions
- Product: FreyrSCADA
- Version: IEC-60879-5-104 Server Simulator 21.04.028
Exploitation Mechanism
The vulnerability can be exploited by sending a specially crafted packet to the affected system, triggering the denial-of-service condition.
Mitigation and Prevention
Protecting systems from CVE-2020-13559 requires immediate action and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any signs of malicious activity.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
- Educate users and IT staff on best practices for cybersecurity.
- Implement intrusion detection and prevention systems to enhance security posture.
Patching and Updates
Ensure that the affected software, FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028, is updated with the latest patches provided by the vendor.