{"id":"CVE-2001-0429","aliases":["EUVD-2001-0426","GHSA-2h6x-3gq5-h875"],"status":"published","title":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning...","description":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.","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":"2026-11-07","score":0.01435,"percentile":0.73251,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-07-02T04:00:00Z","modified":"2026-06-16T21:54:17Z","products":[{"vendor":"cisco","product":"catos"}],"references":[{"url":"http://www.cisco.com/warp/public/707/cat5k-8021x-vuln-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/2604","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6379","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.ciac.org/ciac/bulletins/l-072.shtml","tags":["third-party-advisory","government-resource","x_refsource_CIAC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0429"},{"url":"https://github.com/advisories/GHSA-2h6x-3gq5-h875"}],"sources":{"cve":[{"id":"CVE-2001-0429","description":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:21:38.484Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0426","description":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.","status":"published","published":"2001-09-18T04:00:00Z","modified":"2024-08-08T04:21:38Z","updated_at":"2026-11-03T01:14:51.569576Z"}],"ghsa":[{"id":"GHSA-2h6x-3gq5-h875","title":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning...","description":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.","status":"published","published":"2022-04-30T18:16:03Z","modified":"2023-01-30T05:04:56Z","updated_at":"2026-11-02T14:47:09.636463Z"}],"nvd":[{"id":"CVE-2001-0429","description":"Cisco Catalyst 5000 series switches 6.1(2) and earlier will forward an 802.1x frame on a Spanning Tree Protocol (STP) blocked port, which causes a network storm and a denial of service.","status":"published","published":"2001-07-02T04:00:00Z","modified":"2026-06-16T21:54:17.587Z","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"}]}}