{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.5"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "bbb50747e56a348c40c9afae59d1886d1e9f730d"
            }
          ],
          "repo": "https://github.com/fcovatti/libiec_iccp_mod",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denial of service via an unexpected packet while trying to connect.",
  "id": "CVE-2020-20657",
  "modified": "2026-03-13T21:50:12.597137807Z",
  "published": "2021-11-02T18:15:07.953Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/fcovatti/libiec_iccp_mod/issues/1"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}