{"id":"CVE-2023-40718","aliases":["EUVD-2023-45272","GHSA-hgv6-x3p4-q38v"],"status":"published","title":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker...","description":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00534,"percentile":0.45562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-436"],"published":"2023-10-10T16:49:04Z","modified":"2026-06-17T06:19:13Z","products":[{"vendor":"fortinet","product":"fortios_ips_engine"},{"vendor":"fortinet","product":"ips engine"}],"references":[{"url":"https://fortiguard.com/psirt/FG-IR-23-090","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40718"},{"url":"https://github.com/advisories/GHSA-hgv6-x3p4-q38v"}],"sources":{"cve":[{"id":"CVE-2023-40718","description":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.","status":"published","published":"2023-10-10T16:49:04.727Z","modified":"2024-09-18T19:03:01.519Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R","level":"medium","assessor":"cna"}],"cwes":["CWE-436"],"updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-45272","description":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.","status":"published","published":"2023-10-10T16:49:04Z","modified":"2024-09-18T19:03:01Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:F/RL:O/RC:R","level":"medium"}],"updated_at":"2026-11-03T00:28:19.564867Z"}],"ghsa":[{"id":"GHSA-hgv6-x3p4-q38v","title":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker...","description":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.","status":"published","published":"2023-10-10T18:31:32Z","modified":"2024-04-04T08:30:21Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-436"],"updated_at":"2026-11-02T14:56:59.092045Z"}],"nvd":[{"id":"CVE-2023-40718","description":"A interpretation conflict in Fortinet IPS Engine versions 7.321, 7.166 and 6.158 allows attacker to evade IPS features via crafted TCP packets.","status":"published","published":"2023-10-10T17:15:12.56Z","modified":"2026-06-17T06:19:13.513Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-436"],"updated_at":"2026-11-02T14:08:36.656095Z"}]}}