{"id":"CVE-1999-0598","aliases":["EUVD-1999-0581","GHSA-hhgq-6w2j-9rc7"],"status":"published","title":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of...","description":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01891,"percentile":0.79734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1999-01-01T05:00:00Z","modified":"2026-06-16T21:48:42Z","references":[{"url":"http://www.robertgraham.com/mirror/Ptacek-Newsham-Evasion-98.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0598"},{"url":"https://github.com/advisories/GHSA-hhgq-6w2j-9rc7"}],"sources":{"cve":[{"id":"CVE-1999-0598","description":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:41:45.644Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0581","description":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:41:45Z","updated_at":"2026-11-03T03:50:46.021315Z"}],"ghsa":[{"id":"GHSA-hhgq-6w2j-9rc7","title":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of...","description":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.","status":"published","published":"2022-04-30T18:10:51Z","modified":"2023-01-29T05:01:21Z","updated_at":"2026-11-02T14:44:47.932364Z"}],"nvd":[{"id":"CVE-1999-0598","description":"A network intrusion detection system (IDS) does not properly handle packets that are sent out of order, allowing an attacker to escape detection.","status":"published","published":"1999-01-01T05:00:00Z","modified":"2026-06-16T21:48:42.5Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}