{"api_version":"1","generated_at":"2026-07-23T06:52:02+00:00","cve":"CVE-2014-2146","urls":{"html":"https://cve.report/CVE-2014-2146","api":"https://cve.report/api/cve/CVE-2014-2146.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2014-2146","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2014-2146"},"summary":{"title":"CVE-2014-2146","description":"The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.","state":"PUBLISHED","assigner":"cisco","published_at":"2016-09-22 17:59:00","updated_at":"2026-05-06 22:30:45"},"problem_types":["CWE-20","n/a"],"metrics":[{"version":"3.0","source":"nvd@nist.gov","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","data":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"4.3","severity":"","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"references":[{"url":"https://tools.cisco.com/security/center/viewAlert.x?alertId=39129","name":"https://tools.cisco.com/security/center/viewAlert.x?alertId=39129","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"title":"Multiple Cisco Products Zone-Based Firewall Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/93126","name":"http://www.securityfocus.com/bid/93126","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"Cisco IOS and Cisco IOS XE Software CVE-2014-2146 Security Bypass Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2014-2146","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2146","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":"2014","cve_id":"2146","vulnerable":"1","versionEndIncluding":"15.4\\(1\\)t1","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"ios","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2014","cve_id":"2146","vulnerable":"1","versionEndIncluding":"15.4\\(3\\)s","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"cisco","cpe5":"ios_xe","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2014","cve_id":"2146","cve":"CVE-2014-2146","epss":"0.002260000","percentile":"0.451320000","score_date":"2026-05-06","updated_at":"2026-05-07 00:10:58"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-06T10:05:59.881Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"93126","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/93126"},{"name":"20150529 Multiple Cisco Products Zone-Based Firewall Security Bypass Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"],"url":"https://tools.cisco.com/security/center/viewAlert.x?alertId=39129"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"datePublic":"2015-05-29T00:00:00.000Z","descriptions":[{"lang":"en","value":"The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2016-11-25T19:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"93126","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/93126"},{"name":"20150529 Multiple Cisco Products Zone-Based Firewall Security Bypass Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"],"url":"https://tools.cisco.com/security/center/viewAlert.x?alertId=39129"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2014-2146","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":"The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"93126","refsource":"BID","url":"http://www.securityfocus.com/bid/93126"},{"name":"20150529 Multiple Cisco Products Zone-Based Firewall Security Bypass Vulnerability","refsource":"CISCO","url":"https://tools.cisco.com/security/center/viewAlert.x?alertId=39129"}]}}}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2014-2146","datePublished":"2016-09-22T17:00:00.000Z","dateReserved":"2014-02-25T00:00:00.000Z","dateUpdated":"2024-08-06T10:05:59.881Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2016-09-22 17:59:00","lastModifiedDate":"2026-05-06 22:30:45","problem_types":["CWE-20","n/a"],"metrics":{"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"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:ios:*:*:*:*:*:*:*:*","versionEndIncluding":"15.4\\(1\\)t1","matchCriteriaId":"4970DCB2-3E76-491E-94B0-727E64945D12"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*","versionEndIncluding":"15.4\\(3\\)s","matchCriteriaId":"587D3D93-1222-4E04-91C4-E1E03AEFD7D2"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2014","CveId":"2146","Ordinal":"1","Title":"CVE-2014-2146","CVE":"CVE-2014-2146","Year":"2014"},"notes":[{"CveYear":"2014","CveId":"2146","Ordinal":"1","NoteData":"The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote attackers to bypass intended resource-access restrictions via spoofed traffic that matches one of these sessions, aka Bug IDs CSCun94946 and CSCun96847.","Type":"Description","Title":"CVE-2014-2146"},{"CveYear":"2014","CveId":"2146","Ordinal":"2","NoteData":"2016-09-22","Type":"Other","Title":"Published"},{"CveYear":"2014","CveId":"2146","Ordinal":"3","NoteData":"2016-11-25","Type":"Other","Title":"Modified"}]}}}