CVE-2020-18730: IEC104 Project IEC104

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A segmentation violation in the Iec104_Deal_I function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).

Affected products

• IEC104 Project IEC104: version 1.0 only

Published 2021-08-23. Last modified 2026-06-17.