CVE-2020-13559
CVSS v3
7.5
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-01-11
Frequently asked questions
What is CVE-2020-13559?
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.
Is CVE-2020-13559 actively exploited?
Active exploitation of CVE-2020-13559 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-13559?
CVE-2020-13559 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-13559 affecting your environment?
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