CVE-2020-13559

HIGH 7.5CVE-2020-13559 · Published 11/01/2021 · updated 17/06/2026

In short

CVE-2020-13559 is a HIGH (CVSS 7.5) vulnerability affecting iec-60879-5-104 server simulator (freyrscada).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 71.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
iec-60879-5-104 server simulator freyrscada	`= 21.04.028`	No fix yet

Description

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.

References

talosintelligence.com/vulnerability_reports/TALOS-2020-1174 · Exploit

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