{"api_version":"1","generated_at":"2026-07-23T07:03:16+00:00","cve":"CVE-2001-0428","urls":{"html":"https://cve.report/CVE-2001-0428","api":"https://cve.report/api/cve/CVE-2001-0428.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2001-0428","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2001-0428"},"summary":{"title":"CVE-2001-0428","description":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","state":"PUBLISHED","assigner":"mitre","published_at":"2001-07-02 04:00:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"}}],"references":[{"url":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml","name":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"Cisco - Cisco Security Advisory: VPN 3000 Concentrator IP Options Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.osvdb.org/1786","name":"http://www.osvdb.org/1786","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"404 Not Found","mime":"text/html","httpstatus":"404","archivestatus":"403"},{"url":"http://www.securityfocus.com/bid/2573","name":"http://www.securityfocus.com/bid/2573","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"],"title":"Cisco VPN 3000 Concertrator Malformed IP Packet Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"IBM X-Force Exchange","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2001-0428","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-0428","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2001","cve_id":"428","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"vpn_3000_concentrator_series_software","cpe6":"2.5.2.a","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"428","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"vpn_3000_concentrator_series_software","cpe6":"2.5.2.b","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"428","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"vpn_3000_concentrator_series_software","cpe6":"2.5.2.c","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"428","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"vpn_3000_concentrator_series_software","cpe6":"2.5.2.d","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-08T04:21:38.265Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"cisco-vpn-ip-dos(6360)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360"},{"name":"1786","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"],"url":"http://www.osvdb.org/1786"},{"name":"20010412 VPN 3000 Concentrator IP Options Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml"},{"name":"2573","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/2573"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2001-04-12T00:00:00.000Z","descriptions":[{"lang":"en","value":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option."}],"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":"cisco-vpn-ip-dos(6360)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360"},{"name":"1786","tags":["vdb-entry","x_refsource_OSVDB"],"url":"http://www.osvdb.org/1786"},{"name":"20010412 VPN 3000 Concentrator IP Options Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"],"url":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml"},{"name":"2573","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/2573"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2001-0428","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 an IP packet with an invalid IP option."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"cisco-vpn-ip-dos(6360)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6360"},{"name":"1786","refsource":"OSVDB","url":"http://www.osvdb.org/1786"},{"name":"20010412 VPN 3000 Concentrator IP Options Vulnerability","refsource":"CISCO","url":"http://www.cisco.com/warp/public/707/vpn3k-ipoptions-vuln-pub.shtml"},{"name":"2573","refsource":"BID","url":"http://www.securityfocus.com/bid/2573"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2001-0428","datePublished":"2001-09-18T04:00:00.000Z","dateReserved":"2001-05-24T00:00:00.000Z","dateUpdated":"2024-08-08T04:21:38.265Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2001-07-02 04:00:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:vpn_3000_concentrator_series_software:2.5.2.a:*:*:*:*:*:*:*","matchCriteriaId":"901B1838-7169-41E5-80EF-29BB680BF937"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:vpn_3000_concentrator_series_software:2.5.2.b:*:*:*:*:*:*:*","matchCriteriaId":"CDAEAA5F-0A98-48B7-8012-9B9909243135"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:vpn_3000_concentrator_series_software:2.5.2.c:*:*:*:*:*:*:*","matchCriteriaId":"11DA4B03-2D30-4514-9DF5-5F0DDD4B8DC8"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:vpn_3000_concentrator_series_software:2.5.2.d:*:*:*:*:*:*:*","matchCriteriaId":"CB38834B-E4AB-43F4-888B-14B088C95594"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2001","CveId":"428","Ordinal":"1","Title":"CVE-2001-0428","CVE":"CVE-2001-0428","Year":"2001"},"notes":[{"CveYear":"2001","CveId":"428","Ordinal":"1","NoteData":"Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via an IP packet with an invalid IP option.","Type":"Description","Title":"CVE-2001-0428"},{"CveYear":"2001","CveId":"428","Ordinal":"2","NoteData":"2001-09-18","Type":"Other","Title":"Published"},{"CveYear":"2001","CveId":"428","Ordinal":"3","NoteData":"2004-09-02","Type":"Other","Title":"Modified"}]}}}