{"id":"CVE-2023-0973","aliases":["EUVD-2023-12958","GHSA-37v4-7665-mgq9"],"status":"published","title":"Step Tools Third-Party","description":"STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.","severity":{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00166,"percentile":0.05964,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2023-03-13T17:06:05Z","modified":"2026-06-17T05:26:46Z","products":[{"vendor":"step tools","product":"v18sp1 ifcmesh library"},{"vendor":"steptools","product":"ifcmesh_library"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-068-04","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0973"},{"url":"https://github.com/advisories/GHSA-37v4-7665-mgq9"}],"sources":{"cve":[{"id":"CVE-2023-0973","title":"Step Tools Third-Party","description":"\nSTEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.\n\n","status":"published","published":"2023-03-13T17:06:05.431Z","modified":"2025-01-16T21:55:13.223Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-12958","description":"\nSTEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.\n\n","status":"published","published":"2023-03-13T17:06:05Z","modified":"2025-01-16T21:55:13Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-03T00:04:17.573711Z"}],"ghsa":[{"id":"GHSA-37v4-7665-mgq9","title":"STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which...","description":"STEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.","status":"published","published":"2023-03-13T18:30:40Z","modified":"2023-04-01T05:06:10Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:54:25.73686Z"}],"nvd":[{"id":"CVE-2023-0973","description":"\nSTEPTools v18SP1 ifcmesh library (v18.1) is affected due to a null pointer dereference, which could allow an attacker to deny application usage when reading a specially constructed file, resulting in an application crash.\n\n","status":"published","published":"2023-03-13T18:15:12.683Z","modified":"2026-06-17T05:26:46.497Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:49.031498Z"}]}}