{"id":"CVE-2016-6474","state":"PUBLISHED","title":"A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to by","description":"A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on an affected system. More Information: CSCuv89417. Known Affected Releases: 15.5(2.25)T. Known Fixed Releases: 15.2(4)E1 15.2(4)E2 15.2(4)E3 15.2(4)EA4 15.2(4.0r)EB 15.2(4.1.27)EB 15.2(4.4.2)EA4 15.2(4.7.1)EC 15.2(4.7.2)EC 15.2(5.1.1)E 15.2(5.5.63)E 15.2(5.5.64)E 15.4(1)IA1.80 15.5(3)M1.1 15.5(3)M2 15.5(3)S1.4 15.5(3)S2 15.6(0.22)S0.12 15.6(1)T0.1 15.6(1)T1 15.6(1.15)T 15.6(1.17)S0.7 15.6(1.17)SP 15.6(1.22.1a)T0 15.6(2)S 15.6(2)SP 16.1(1.24) 16.1.2 16.2(0.247) 16.3(0.11) 3.8(1)E Denali-16.1.2.","publishedAt":"2016-12-14T00:37:00.000Z","updatedAt":"2024-08-06T01:29:20.174Z","severity":null,"assigner":"cisco","products":["n/a Cisco IOS"],"affected":[{"vendor":"n/a","product":"Cisco IOS","versions":[{"version":"Cisco IOS","status":"affected"}]}],"references":["http://www.securityfocus.com/bid/94773","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-xe-x509","http://www.securitytracker.com/id/1037420"],"weaknesses":[],"ingestedAt":"2026-10-29T19:42:50.421Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2016/6xxx/CVE-2016-6474.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2016-6474","state":"PUBLISHED","datePublished":"2016-12-14T00:37:00.000Z","dateUpdated":"2024-08-06T01:29:20.174Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2016-07-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on an affected system. More Information: CSCuv89417. Known Affected Releases: 15.5(2.25)T. Known Fixed Releases: 15.2(4)E1 15.2(4)E2 15.2(4)E3 15.2(4)EA4 15.2(4.0r)EB 15.2(4.1.27)EB 15.2(4.4.2)EA4 15.2(4.7.1)EC 15.2(4.7.2)EC 15.2(5.1.1)E 15.2(5.5.63)E 15.2(5.5.64)E 15.4(1)IA1.80 15.5(3)M1.1 15.5(3)M2 15.5(3)S1.4 15.5(3)S2 15.6(0.22)S0.12 15.6(1)T0.1 15.6(1)T1 15.6(1.15)T 15.6(1.17)S0.7 15.6(1.17)SP 15.6(1.22.1a)T0 15.6(2)S 15.6(2)SP 16.1(1.24) 16.1.2 16.2(0.247) 16.3(0.11) 3.8(1)E Denali-16.1.2."}],"affected":[{"vendor":"n/a","product":"Cisco IOS","versions":[{"version":"Cisco IOS","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/bid/94773","name":"94773","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-xe-x509","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securitytracker.com/id/1037420","name":"1037420","tags":["vdb-entry","x_refsource_SECTRACK"]}],"problemTypes":[{"descriptions":[{"description":"unspecified","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"cisco","dateUpdated":"2016-12-21T21:57:01.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633"},"datePublic":"2016-12-13T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","ID":"CVE-2016-6474","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco IOS","version":{"version_data":[{"version_value":"Cisco IOS"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A vulnerability in the implementation of X.509 Version 3 for SSH authentication functionality in Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to bypass authentication on an affected system. 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Known Fixed Releases: 15.2(4)E1 15.2(4)E2 15.2(4)E3 15.2(4)EA4 15.2(4.0r)EB 15.2(4.1.27)EB 15.2(4.4.2)EA4 15.2(4.7.1)EC 15.2(4.7.2)EC 15.2(5.1.1)E 15.2(5.5.63)E 15.2(5.5.64)E 15.4(1)IA1.80 15.5(3)M1.1 15.5(3)M2 15.5(3)S1.4 15.5(3)S2 15.6(0.22)S0.12 15.6(1)T0.1 15.6(1)T1 15.6(1.15)T 15.6(1.17)S0.7 15.6(1.17)SP 15.6(1.22.1a)T0 15.6(2)S 15.6(2)SP 16.1(1.24) 16.1.2 16.2(0.247) 16.3(0.11) 3.8(1)E Denali-16.1.2."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"unspecified"}]}]},"references":{"reference_data":[{"name":"94773","refsource":"BID","url":"http://www.securityfocus.com/bid/94773"},{"name":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-xe-x509","refsource":"CONFIRM","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-xe-x509"},{"name":"1037420","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1037420"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.securityfocus.com/bid/94773","name":"94773","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-ios-xe-x509","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id/1037420","name":"1037420","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T01:29:20.174Z"}}]}}}