{"id":"CVE-2005-4258","aliases":["EUVD-2005-4253","GHSA-pc9g-xxwr-7rq9"],"status":"published","title":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device...","description":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.0205,"percentile":0.81366,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-12-15T11:00:00Z","modified":"2026-06-16T22:18:28Z","products":[{"vendor":"cisco","product":"catalyst"},{"vendor":"cisco","product":"catalyst_1200_series"},{"vendor":"cisco","product":"catalyst_1900_series"},{"vendor":"cisco","product":"catalyst_2800_series"},{"vendor":"cisco","product":"catalyst_2820"},{"vendor":"cisco","product":"catalyst_2900"},{"vendor":"cisco","product":"catalyst_2901"},{"vendor":"cisco","product":"catalyst_2902"},{"vendor":"cisco","product":"catalyst_2920"},{"vendor":"cisco","product":"catalyst_2926"},{"vendor":"cisco","product":"catalyst_2926f"},{"vendor":"cisco","product":"catalyst_2926gl"},{"vendor":"cisco","product":"catalyst_2926gs"},{"vendor":"cisco","product":"catalyst_2926t"},{"vendor":"cisco","product":"catalyst_2940"},{"vendor":"cisco","product":"catalyst_2948"},{"vendor":"cisco","product":"catalyst_2948-ge-tx"},{"vendor":"cisco","product":"catalyst_2948g-l3"},{"vendor":"cisco","product":"catalyst_2950"},{"vendor":"cisco","product":"catalyst_2950_lre"},{"vendor":"cisco","product":"catalyst_2955"},{"vendor":"cisco","product":"catalyst_2970"},{"vendor":"cisco","product":"catalyst_2980g"},{"vendor":"cisco","product":"catalyst_2980g-a"},{"vendor":"cisco","product":"catalyst_3000"},{"vendor":"cisco","product":"catalyst_3200"},{"vendor":"cisco","product":"catalyst_3500_xl"},{"vendor":"cisco","product":"catalyst_3550"},{"vendor":"cisco","product":"catalyst_3560"},{"vendor":"cisco","product":"catalyst_3750"},{"vendor":"cisco","product":"catalyst_3750_metro"},{"vendor":"cisco","product":"catalyst_3900"},{"vendor":"cisco","product":"catalyst_4000"},{"vendor":"cisco","product":"catalyst_4200"},{"vendor":"cisco","product":"catalyst_4224"},{"vendor":"cisco","product":"catalyst_4232"},{"vendor":"cisco","product":"catalyst_4232-13"},{"vendor":"cisco","product":"catalyst_4500"},{"vendor":"cisco","product":"catalyst_4503"},{"vendor":"cisco","product":"catalyst_4506"},{"vendor":"cisco","product":"catalyst_4507r"},{"vendor":"cisco","product":"catalyst_4510r"},{"vendor":"cisco","product":"catalyst_4840g"},{"vendor":"cisco","product":"catalyst_4908g-l3"},{"vendor":"cisco","product":"catalyst_4912g"},{"vendor":"cisco","product":"catalyst_4948"},{"vendor":"cisco","product":"catalyst_5000"},{"vendor":"cisco","product":"catalyst_5505"},{"vendor":"cisco","product":"catalyst_5509"},{"vendor":"cisco","product":"catalyst_6000"},{"vendor":"cisco","product":"catalyst_6000_ws-svc-nam-1"},{"vendor":"cisco","product":"catalyst_6000_ws-svc-nam-2"},{"vendor":"cisco","product":"catalyst_6000_ws-x6380-nam"},{"vendor":"cisco","product":"catalyst_6500"},{"vendor":"cisco","product":"catalyst_6500_ws-svc-nam-1"},{"vendor":"cisco","product":"catalyst_6500_ws-svc-nam-2"},{"vendor":"cisco","product":"catalyst_6500_ws-x6380-nam"},{"vendor":"cisco","product":"catalyst_6608"},{"vendor":"cisco","product":"catalyst_6624"},{"vendor":"cisco","product":"catalyst_7600"},{"vendor":"cisco","product":"catalyst_7600_ws-svc-nam-1"},{"vendor":"cisco","product":"catalyst_7600_ws-svc-nam-2"},{"vendor":"cisco","product":"catalyst_7600_ws-x6380-nam"},{"vendor":"cisco","product":"catalyst_8500"},{"vendor":"cisco","product":"catalyst_8510csr"},{"vendor":"cisco","product":"catalyst_8510msr"},{"vendor":"cisco","product":"catalyst_8540csr"},{"vendor":"cisco","product":"catalyst_8540msr"},{"vendor":"cisco","product":"catalyst_ws-c2924-xl"},{"vendor":"cisco","product":"catos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/44543","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/15864","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4258"},{"url":"https://github.com/advisories/GHSA-pc9g-xxwr-7rq9"}],"sources":{"cve":[{"id":"CVE-2005-4258","description":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","status":"published","published":"2005-12-15T11:00:00Z","modified":"2024-08-07T23:38:51.592Z","updated_at":"2026-11-02T14:33:39.586409Z"}],"euvd":[{"id":"EUVD-2005-4253","description":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","status":"published","published":"2005-12-15T11:00:00Z","modified":"2024-08-07T23:38:51Z","updated_at":"2026-11-03T01:15:23.244179Z"}],"ghsa":[{"id":"GHSA-pc9g-xxwr-7rq9","title":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device...","description":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","status":"published","published":"2022-05-01T02:25:33Z","modified":"2023-01-30T05:08:20Z","updated_at":"2026-11-02T14:47:49.163545Z"}],"nvd":[{"id":"CVE-2005-4258","description":"Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","status":"published","published":"2005-12-15T11:03:00Z","modified":"2026-06-16T22:18:28.183Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:57.944899Z"}]}}