CVE-2017-6790

medium
Published 2017-08-17 · Modified 2026-05-13
CVSS v3
6.8
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
CVSS v2
7.1
VIR risk
6.8

Description

A vulnerability in the Session Initiation Protocol (SIP) on the Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the targeted appliance. The vulnerability is due to excessive SIP traffic sent to the device. An attacker could exploit this vulnerability by transmitting large volumes of SIP traffic to the VCS. An exploit could allow the attacker to cause a complete DoS condition on the targeted system. Cisco Bug IDs: CSCve32897.

Predictions

Exploit likelihood
77%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@cisco.com — https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-vcs

Application impact

VendorProductVersionsFixed
ciscotelepresence_video_communication_serverx8.7
ciscotelepresence_video_communication_serverx8.7.1
ciscotelepresence_video_communication_serverx8.7.2
ciscotelepresence_video_communication_serverx8.7.3
ciscotelepresence_video_communication_serverx8.8
ciscotelepresence_video_communication_serverx8.9

References

Verify integrity in audit chain (admin only). AS-IS.