CVE-2020-18758

Name: CVE-2020-18758
Creator: NVD / NIST
Published: 2021-08-13T17:15:16.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.68%

Last modified Jun 17, 2026

CVE-2020-18758 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to execute arbitrary code.. EPSS estimates a 2.68% chance of exploitation in the next 30 days.

Description

An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to execute arbitrary code.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.68%

83.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Dcce	Mac1100 Plc Firmware	All versions

References

https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/DCCE/DCCE%20MAC1100%20PLC_upload.mdExploit, Third Party Advisory
https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/DCCE/DCCE%20MAC1100%20PLC_upload.mdExploit, Third Party Advisory

Timeline

Published: Aug 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-18758?

An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to execute arbitrary code.

How severe is CVE-2020-18758?

CVE-2020-18758 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.68% probability of exploitation in the next 30 days.

How do I fix CVE-2020-18758?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-18758?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST