High severity7.5NVD Advisory· Published Aug 13, 2021· Updated Jun 17, 2026

CVE-2020-18756

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.

Affected products

Dut Computer Control Engineering Co./PLC MAC1100description
Dut Computer Control Engineering Co./PLC MAC1100llm-fuzzy

Patches

Vulnerability mechanics

References

github.com/Ni9htMar3/vulnerability/blob/master/PLC/DCCE/DCCE%20MAC1100%20PLC_read.mdnvdExploitThird Party Advisory

News mentions

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cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
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ransomware	0.000