CVE-2020-13559: Freyrscada Iec-60879-5-104 Server Simulator

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

A denial-of-service vulnerability exists in the traffic-logging functionality of FreyrSCADA IEC-60879-5-104 Server Simulator 21.04.028. A specially crafted packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

Affected products

• Freyrscada Iec-60879-5-104 Server Simulator: version 21.04.028 only

Published 2021-01-11. Last modified 2026-06-17.