{"id":"CVE-1999-0193","aliases":["EUVD-1999-0193","GHSA-5p2w-742f-cg75"],"status":"published","title":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP...","description":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04886,"percentile":0.92134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1997-12-01T05:00:00Z","modified":"2026-06-16T21:47:52Z","exploits":[{"source":"exploitdb","id":"EDB-20331","title":"Ascend R 4.5 Ci12 - Denial of Service","type":"dos","platform":"hardware","date":"1998-03-16","verified":true,"url":"https://www.exploit-db.com/exploits/20331"},{"source":"exploitdb","id":"EDB-20332","title":"Ascend R 4.5 Ci12 - Denial of Service","type":"dos","platform":"hardware","date":"1998-03-17","verified":true,"url":"https://www.exploit-db.com/exploits/20332"}],"products":[{"vendor":"ascend","product":"cascadeview_ux"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0193","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0193"},{"url":"https://github.com/advisories/GHSA-5p2w-742f-cg75"}],"sources":{"cve":[{"id":"CVE-1999-0193","description":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:27:57.767Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0193","description":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:27:57Z","updated_at":"2026-11-03T03:50:47.919374Z"}],"ghsa":[{"id":"GHSA-5p2w-742f-cg75","title":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP...","description":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.","status":"published","published":"2022-04-30T18:10:07Z","modified":"2023-01-29T05:01:06Z","updated_at":"2026-11-02T14:44:44.036588Z"}],"nvd":[{"id":"CVE-1999-0193","description":"Denial of service in Ascend and 3com routers, which can be rebooted by sending a zero length TCP option.","status":"published","published":"1997-12-01T05:00:00Z","modified":"2026-06-16T21:47:52.973Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}