{"id":"CVE-2001-1097","aliases":["EUVD-2001-1078","GHSA-37wx-px9v-xhhf"],"status":"published","title":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a...","description":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.","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":"2026-11-08","score":0.0432,"percentile":0.91234,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2001-07-24T04:00:00Z","modified":"2026-06-16T21:55:34Z","exploits":[{"source":"exploitdb","id":"EDB-21028","title":"Cisco IOS 12 - UDP Denial of Service","type":"dos","platform":"hardware","date":"2001-07-25","verified":true,"url":"https://www.exploit-db.com/exploits/21028"}],"products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securityfocus.com/archive/1/199558","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6913","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=99749327219189\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/3096","tags":["vdb-entry","x_refsource_BID","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1097"},{"url":"https://github.com/advisories/GHSA-37wx-px9v-xhhf"}],"sources":{"cve":[{"id":"CVE-2001-1097","description":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.","status":"published","published":"2002-03-15T05:00:00Z","modified":"2024-08-08T04:44:07.232Z","updated_at":"2026-11-02T14:34:42.354707Z"}],"euvd":[{"id":"EUVD-2001-1078","description":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.","status":"published","published":"2002-03-15T05:00:00Z","modified":"2024-08-08T04:44:07Z","updated_at":"2026-11-03T01:14:48.585514Z"}],"ghsa":[{"id":"GHSA-37wx-px9v-xhhf","title":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a...","description":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.","status":"published","published":"2022-04-30T18:17:21Z","modified":"2023-01-30T05:05:28Z","updated_at":"2026-11-02T14:47:16.830144Z"}],"nvd":[{"id":"CVE-2001-1097","description":"Cisco routers and switches running IOS 12.0 through 12.2.1 allows a remote attacker to cause a denial of service via a flood of UDP packets.","status":"published","published":"2001-07-24T04:00:00Z","modified":"2026-06-16T21:55:34.877Z","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":"2026-11-02T14:00:40.041412Z"}]}}