CVE-2020-18756
CVE-2020-18756 is a high-severity vulnerability in Dcce Mac1100 Plc Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Dcce Mac1100 Plc Firmware
- Published:
- Last modified:
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.
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.
- How severe is CVE-2020-18756?
- CVE-2020-18756 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-18756 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18756?
- CVE-2020-18756 affects Dcce Mac1100 Plc Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18756?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-18756 published?
- CVE-2020-18756 was published on 2021-08-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:dcce:mac1100_plc_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Dcce Mac1100 Plc Firmware
- CVE-2020-18758 — Critical (CVSS 9.8): An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to execute arbitrary code.
- CVE-2020-18753 — Critical (CVSS 9.8): An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to gain access to the system and…
- CVE-2020-18759 — High (CVSS 7.5): An information disclosure vulnerability exists in the EPA protocol of Dut Computer Control Engineering Co.'s PLC…
- CVE-2020-18757 — High (CVSS 7.5): An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause persistent denial of service…
- CVE-2020-18754 — High (CVSS 7.5): An information disclosure vulnerability exists within Dut Computer Control Engineering Co.'s PLC MAC1100.
All CVEs affecting Dcce Mac1100 Plc Firmware →
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