{"id":"CVE-2020-20658","aliases":["EUVD-2020-13443","GHSA-24m2-vhhc-392c"],"status":"published","title":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a...","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","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":0.01023,"percentile":0.63733,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-11-02T17:45:02Z","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/2","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20658"},{"url":"https://github.com/advisories/GHSA-24m2-vhhc-392c"}],"sources":{"cve":[{"id":"CVE-2020-20658","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","status":"published","published":"2021-11-02T17:45:02Z","modified":"2024-08-04T14:22:25.427Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13443","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","status":"published","published":"2021-11-02T17:45:02Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:24.233243Z"}],"ghsa":[{"id":"GHSA-24m2-vhhc-392c","title":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a...","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","status":"published","published":"2022-05-24T19:19:26Z","modified":"2023-01-30T05:03:15Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:46:47.986344Z"}],"nvd":[{"id":"CVE-2020-20658","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","status":"published","published":"2021-11-02T18:15:07.997Z","modified":"2026-06-17T03:03:21.683Z","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":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-20658","description":"Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denail of service when trying to calloc an unexpectiedly large space.","status":"published","published":"2021-11-02T18:15:07.997Z","modified":"2026-10-20T10:52:08.450147457Z","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"}],"updated_at":"2026-11-02T15:44:15.212689Z"}]}}