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HIGH

CVE-2020-18730

CVSS v3

7.5

HIGH

EPSS Score

1.4 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2021-08-23

Frequently asked questions

What is CVE-2020-18730?

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

Is CVE-2020-18730 actively exploited?

Active exploitation of CVE-2020-18730 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-18730?

CVE-2020-18730 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-18730 affecting your environment?

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