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 issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause persistent denial of service (DOS) via a crafted packet.
Technical details
- Published
- 2021-08-13
Frequently asked questions
What is CVE-2020-18757?
An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause persistent denial of service (DOS) via a crafted packet.
Is CVE-2020-18757 actively exploited?
Active exploitation of CVE-2020-18757 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-2020-18757?
CVE-2020-18757 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-18757 affecting your environment?
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