CVE-2001-0427

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-03-28T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2004-09-02T09:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "20010328 VPN3000 Concentrator TELNET Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml"}, {"name": "5643", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/5643"}, {"name": "cisco-vpn-telnet-dos(6298)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/6298"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-0427", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "20010328 VPN3000 Concentrator TELNET Vulnerability", "refsource": "CISCO", "url": "http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml"}, {"name": "5643", "refsource": "OSVDB", "url": "http://www.osvdb.org/5643"}, {"name": "cisco-vpn-telnet-dos(6298)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/6298"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:21:38.518Z"}, "title": "CVE Program Container", "references": [{"name": "20010328 VPN3000 Concentrator TELNET Vulnerability", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml"}, {"name": "5643", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/5643"}, {"name": "cisco-vpn-telnet-dos(6298)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/6298"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-0427", "datePublished": "2001-09-18T04:00:00.000Z", "dateReserved": "2001-05-24T00:00:00.000Z", "dateUpdated": "2024-08-08T04:21:38.518Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:vpn_3000_concentrator:*:*:*:*:*:*:*:*", "matchCriteriaId": "24BE2649-D823-486B-8F6C-4B8128EC2795", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:vpn_3005_concentrator:*:*:*:*:*:*:*:*", "matchCriteriaId": "E098419B-1B9E-4191-9C72-65CE43E38F3B", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:vpn_3015_concentrator:*:*:*:*:*:*:*:*", "matchCriteriaId": "0A512328-2FD0-4B1D-9327-A13A0BCE9C0D", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:vpn_3030_concentator:*:*:*:*:*:*:*:*", "matchCriteriaId": "6548F964-B8EE-4B39-87CF-99743D41C42C", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:vpn_3060_concentrator:*:*:*:*:*:*:*:*", "matchCriteriaId": "E08810E6-33B6-45FF-91C7-EED10DC023EA", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:vpn_3080_concentrator:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BD1A1AC-980F-428E-8BAF-0FC821014868", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts."}], "id": "CVE-2001-0427", "lastModified": "2026-06-16T21:54:17.357", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2001-06-18T04:00:00.000", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/5643"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/6298"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/warp/public/707/vpn3k-telnet-vuln-pub.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/5643"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/6298"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}