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HIGH

CVE-2020-18756

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

An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to read the contents of any variable area.

Technical details

Published
2021-08-13

Frequently asked questions

What is CVE-2020-18756?

An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to read the contents of any variable area.

Is CVE-2020-18756 actively exploited?

Active exploitation of CVE-2020-18756 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-2020-18756?

CVE-2020-18756 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-18756 affecting your environment?

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