{"id":"CVE-2020-18756","aliases":["EUVD-2020-10673","GHSA-j2x2-prpm-jc88"],"status":"published","title":"An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01311,"percentile":0.70864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"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_read.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-18756"},{"url":"https://github.com/advisories/GHSA-j2x2-prpm-jc88"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2021-08-13T16:08:39Z","modified":"2024-08-04T14:08:30.446Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-10673","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.","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-j2x2-prpm-jc88","title":"An arbitrary memory access vulnerability in the EPA protocol of Dut Computer Control Engineering...","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.","status":"published","published":"2022-05-24T19:11:03Z","modified":"2023-01-30T05:01:30Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:46:25.569206Z"}],"nvd":[{"id":"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.","status":"published","published":"2021-08-13T17:15:16.357Z","modified":"2026-06-17T02:59:27.613Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}