{"id":"CVE-2020-20663","aliases":["EUVD-2020-13448","GHSA-x5gc-77qw-p999"],"status":"published","title":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00846,"percentile":0.58536,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-09-30T16:40:51Z","modified":"2026-10-20T10:52:08Z","products":[{"vendor":"libiec_iccp_mod_project","product":"libiec_iccp_mod"}],"references":[{"url":"https://github.com/fcovatti/libiec_iccp_mod/issues/7","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20663"},{"url":"https://github.com/advisories/GHSA-x5gc-77qw-p999"}],"sources":{"cve":[{"id":"CVE-2020-20663","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","status":"published","published":"2021-09-30T16:40:51Z","modified":"2024-08-04T14:22:25.357Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13448","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","status":"published","published":"2021-09-30T16:40:51Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:24.233243Z"}],"ghsa":[{"id":"GHSA-x5gc-77qw-p999","title":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","status":"published","published":"2022-05-24T19:16:12Z","modified":"2023-01-30T05:02:32Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:39.888016Z"}],"nvd":[{"id":"CVE-2020-20663","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","status":"published","published":"2021-09-30T17:15:07.527Z","modified":"2026-06-17T03:03:21.91Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-20663","description":"libiec_iccp_mod v1.5 contains a heap-buffer-overflow in the component mms_client_connection.c.","status":"published","published":"2021-09-30T17:15:07.527Z","modified":"2026-10-20T10:52:08.525076769Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:15.212689Z"}]}}