CVE-2017-6791

7.5 HIGH
Published: September 07, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/100662
Source: psirt@cisco.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039286
Source: psirt@cisco.com
Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/100662
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039286
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://quickview.cloudapps.cisco.com/quickview/bug/CSCux21905
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
2.3%
81th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

cisco