{"id":"CVE-2001-0041","aliases":["EUVD-2001-0041","GHSA-w3j9-383p-8723"],"status":"published","title":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to...","description":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.","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":"2026-11-07","score":0.12137,"percentile":0.96179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-399"],"published":"2001-02-16T05:00:00Z","modified":"2026-06-16T21:53:32Z","exploits":[{"source":"exploitdb","id":"EDB-20473","title":"Cisco Catalyst 4000 4.x/5.x / Catalyst 5000 4.5/5.x / Catalyst 6000 5.x - Memory Leak Denial of Service","type":"dos","platform":"hardware","date":"2000-12-06","verified":true,"url":"https://www.exploit-db.com/exploits/20473"}],"products":[{"vendor":"cisco","product":"catos"}],"references":[{"url":"http://www.cisco.com/warp/public/707/catalyst-memleak-pub.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/2072","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/5656","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/801","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0041"},{"url":"https://github.com/advisories/GHSA-w3j9-383p-8723"}],"sources":{"cve":[{"id":"CVE-2001-0041","description":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.","status":"published","published":"2001-05-07T04:00:00Z","modified":"2024-08-08T04:06:54.553Z","updated_at":"2026-11-02T14:34:43.358691Z"}],"euvd":[{"id":"EUVD-2001-0041","description":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.","status":"published","published":"2001-05-07T04:00:00Z","modified":"2024-08-08T04:06:54Z","updated_at":"2026-11-03T01:14:53.392551Z"}],"ghsa":[{"id":"GHSA-w3j9-383p-8723","title":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to...","description":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.","status":"published","published":"2022-04-30T18:15:18Z","modified":"2023-01-30T05:05:23Z","updated_at":"2026-11-02T14:47:15.400856Z"}],"nvd":[{"id":"CVE-2001-0041","description":"Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.","status":"published","published":"2001-02-16T05:00:00Z","modified":"2026-06-16T21:53:32.62Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:00:39.593487Z"}]}}