{"id":"CVE-2020-18757","aliases":["EUVD-2020-10674","GHSA-5hmp-jq2q-gjh8"],"status":"published","title":"An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01287,"percentile":0.70373,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2021-08-13T16:08:39Z","modified":"2026-06-17T02:59:27Z","products":[{"vendor":"dcce","product":"mac1100_plc_firmware"}],"references":[{"url":"https://github.com/Ni9htMar3/vulnerability/blob/master/PLC/DCCE/DCCE%20MAC1100%20PLC_DOS.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18757"},{"url":"https://github.com/advisories/GHSA-5hmp-jq2q-gjh8"}],"sources":{"cve":[{"id":"CVE-2020-18757","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.","status":"published","published":"2021-08-13T16:08:39Z","modified":"2024-08-04T14:08:30.322Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10674","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.","status":"published","published":"2021-08-13T16:08:39Z","modified":"2024-08-04T14:08:30Z","updated_at":"2026-11-03T03:07:26.397496Z"}],"ghsa":[{"id":"GHSA-5hmp-jq2q-gjh8","title":"An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to cause...","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.","status":"published","published":"2022-05-24T19:11:03Z","modified":"2023-01-30T05:01:30Z","cwes":["CWE-862"],"updated_at":"2026-11-02T14:46:25.569206Z"}],"nvd":[{"id":"CVE-2020-18757","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.","status":"published","published":"2021-08-13T17:15:16.397Z","modified":"2026-06-17T02:59:27.723Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}