{"api_version":"1","generated_at":"2026-07-23T06:10:53+00:00","cve":"CVE-2001-1431","urls":{"html":"https://cve.report/CVE-2001-1431","api":"https://cve.report/api/cve/CVE-2001-1431.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2001-1431","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2001-1431"},"summary":{"title":"CVE-2001-1431","description":"Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information.","state":"PUBLISHED","assigner":"mitre","published_at":"2001-10-08 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:P/I:N/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"references":[{"url":"http://www.kb.cert.org/vuls/id/258731","name":"http://www.kb.cert.org/vuls/id/258731","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["US Government Resource"],"title":"CERT/CC Vulnerability Note VU#258731","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8293","name":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8293","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-2001-1431","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1431","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":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"checkpoint","cpe5":"firewall-1","cpe6":"4.1","cpe7":"sp3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"checkpoint","cpe5":"firewall-1","cpe6":"4.1","cpe7":"sp4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"checkpoint","cpe5":"firewall-1","cpe6":"4.1","cpe7":"sp5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"checkpoint","cpe5":"vpn-1","cpe6":"4.1","cpe7":"sp3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"checkpoint","cpe5":"vpn-1","cpe6":"4.1","cpe7":"sp4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"nokia","cpe5":"firewall_appliance","cpe6":"ipso_3.3","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"nokia","cpe5":"firewall_appliance","cpe6":"ipso_3.4","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2001","cve_id":"1431","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"nokia","cpe5":"firewall_appliance","cpe6":"ipso_3.41","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-08T04:58:11.030Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"nokia-cp-packet-retransmission(8293)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8293"},{"name":"VU#258731","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred"],"url":"http://www.kb.cert.org/vuls/id/258731"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2001-10-08T00:00:00.000Z","descriptions":[{"lang":"en","value":"Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2017-07-10T14:57:01.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"nokia-cp-packet-retransmission(8293)","tags":["vdb-entry","x_refsource_XF"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8293"},{"name":"VU#258731","tags":["third-party-advisory","x_refsource_CERT-VN"],"url":"http://www.kb.cert.org/vuls/id/258731"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2001-1431","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":"Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"nokia-cp-packet-retransmission(8293)","refsource":"XF","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/8293"},{"name":"VU#258731","refsource":"CERT-VN","url":"http://www.kb.cert.org/vuls/id/258731"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2001-1431","datePublished":"2005-03-24T05:00:00.000Z","dateReserved":"2005-03-24T00:00:00.000Z","dateUpdated":"2024-08-08T04:58:11.030Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2001-10-08 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:P/I:N/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"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:a:checkpoint:firewall-1:4.1:sp3:*:*:*:*:*:*","matchCriteriaId":"997ABD78-6DF8-440C-B90A-E5CD7C6ACA75"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkpoint:firewall-1:4.1:sp4:*:*:*:*:*:*","matchCriteriaId":"60536AAF-76BC-4773-98FA-5F01E2D231FB"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkpoint:firewall-1:4.1:sp5:*:*:*:*:*:*","matchCriteriaId":"1E4206C4-05A7-46D1-90C7-6BA7744C7AD9"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkpoint:vpn-1:4.1:sp3:*:*:*:*:*:*","matchCriteriaId":"B9754CCE-CEC5-4359-9C62-133885817DEF"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkpoint:vpn-1:4.1:sp4:*:*:*:*:*:*","matchCriteriaId":"C65FC343-69C9-4B70-8149-42297B47C813"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:h:nokia:firewall_appliance:ipso_3.3:*:*:*:*:*:*:*","matchCriteriaId":"8B11266A-90C4-47B9-B6DD-77F1B4701708"},{"vulnerable":true,"criteria":"cpe:2.3:h:nokia:firewall_appliance:ipso_3.4:*:*:*:*:*:*:*","matchCriteriaId":"E24EF8C6-E623-4B37-96D6-D514ECE365B4"},{"vulnerable":true,"criteria":"cpe:2.3:h:nokia:firewall_appliance:ipso_3.41:*:*:*:*:*:*:*","matchCriteriaId":"9F781F5B-B875-4119-937B-97286E746C91"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2001","CveId":"1431","Ordinal":"1","Title":"CVE-2001-1431","CVE":"CVE-2001-1431","Year":"2001"},"notes":[{"CveYear":"2001","CveId":"1431","Ordinal":"1","NoteData":"Nokia Firewall Appliances running IPSO 3.3 and VPN-1/FireWall-1 4.1 Service Pack 3, IPSO 3.4 and VPN-1/FireWall-1 4.1 Service Pack 4, and IPSO 3.4 or IPSO 3.4.1 and VPN-1/FireWall-1 4.1 Service Pack 5, when SYN Defender is configured in Active Gateway mode, does not properly rewrite the third packet of a TCP three-way handshake to use the NAT IP address, which allows remote attackers to gain sensitive information.","Type":"Description","Title":"CVE-2001-1431"},{"CveYear":"2001","CveId":"1431","Ordinal":"2","NoteData":"2005-03-24","Type":"Other","Title":"Published"},{"CveYear":"2001","CveId":"1431","Ordinal":"3","NoteData":"2017-07-10","Type":"Other","Title":"Modified"}]}}}