What is CVE-2017-6648?

CVE-2017-6648 is a high-severity vulnerability in Cisco Telepresence Ce Software, classified under CWE-399. CVSS score: 7.5/10. Published 2017-06-08.

How severe is CVE-2017-6648?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cisco Telepresence Ce Software

CVE-2017-6648

A vulnerability in the Session Initiation Protocol (SIP) of the Cisco TelePresence Codec (TC) and Collaboration Endpoint (CE) Software could allow an unauthenticated, remote attacker to cause a TelePresence endpoint to reload unexpectedly, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of flow-control mechanisms within the software. An attacker could exploit this vulnerability by sending a flood of SIP INVITE packets to the affected device. An exploit could allow the attacker to impact the availability of services and data of the device, including a complete DoS condition. This vulnerability affects the following Cisco TC and CE platforms when running software versions prior to TC 7.3.8 and CE 8.3.0. Cisco Bug IDs: CSCux94002.

Published 2017-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.036 (89.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

Cisco Telepresence Ce Software — versions 8.2.2
Cisco Telepresence Tc Software — versions 3.1.5, 3.1_base, 4.1.0
Cisco Telepresence Endpoint Denial Of Service Vulnerability — versions Cisco TelePresence Endpoint Denial of Service Vulnerability

Weakness classification (CWE)

CWE-399

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607… (Vendor Advisory)
www.securityfocus.com/bid/98934 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1038624 (vdb-entry)

Frequently asked questions

What is CVE-2017-6648?: CVE-2017-6648 is a high-severity vulnerability in Cisco Telepresence Ce Software, classified under CWE-399. CVSS score: 7.5/10. Published 2017-06-08.
How severe is CVE-2017-6648?: High severity. CVSS v3 base score is 7.5 out of 10.