{"api_version":"1","generated_at":"2026-07-23T04:59:02+00:00","cve":"CVE-2017-6791","urls":{"html":"https://cve.report/CVE-2017-6791","api":"https://cve.report/api/cve/CVE-2017-6791.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-6791","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-6791"},"summary":{"title":"CVE-2017-6791","description":"A vulnerability in the Trust Verification Service (TVS) of Cisco Unified Communications Manager could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of Transport Layer Security (TLS) traffic by the affected software. An attacker could exploit this vulnerability by generating incomplete traffic streams. A successful exploit could allow the attacker to deny access to the TVS for an affected device, resulting in a DoS condition, until an administrator restarts the service. Known Affected Releases 10.0(1.10000.24) 10.5(2.10000.5) 11.0(1.10000.10) 9.1(2.10000.28). Cisco Bug IDs: CSCux21905.","state":"PUBLIC","assigner":"psirt@cisco.com","published_at":"2017-09-07 21:29:00","updated_at":"2019-10-09 23:29:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ucm","name":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170906-ucm","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Cisco Unified Communications Manager Trust Verification Service Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/100662","name":"100662","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Cisco Unified Communications Manager CVE-2017-6791 Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"http://www.securitytracker.com/id/1039286","name":"1039286","refsource":"SECTRACK","tags":["Third Party Advisory","VDB Entry"],"title":"Cisco Unified Communications Manager Bug in Trust Verification Service Lets Remote Users Deny Service - 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The vulnerability is due to improper handling of Transport Layer Security (TLS) traffic by the affected software. An attacker could exploit this vulnerability by generating incomplete traffic streams. A successful exploit could allow the attacker to deny access to the TVS for an affected device, resulting in a DoS condition, until an administrator restarts the service. Known Affected Releases 10.0(1.10000.24) 10.5(2.10000.5) 11.0(1.10000.10) 9.1(2.10000.28). Cisco Bug IDs: CSCux21905.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"6791","Ordinal":"2","NoteData":"2017-09-07","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"6791","Ordinal":"3","NoteData":"2017-09-09","Type":"Other","Title":"Modified"}]}}}