CVE-2017-6656

MEDIUM

Cisco IP Phone 8800 Series - Unauthenticated Denial of Service via SIP Call Handling

Title source: llm

Description

A vulnerability in Session Initiation Protocol (SIP) call handling of Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to the SIP process unexpectedly restarting. All active phone calls are dropped as the SIP process restarts. More Information: CSCvc29353. Known Affected Releases: 11.0(0.1). Known Fixed Releases: 11.0(0)MP2.153 11.0(0)MP2.62.

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/98996

Vendor Advisory x_refsource_confirm

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-sip

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1038636

Scores

CVSS v3 5.9

EPSS 0.0166

EPSS Percentile 73.9%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (2)

cisco/ip_phone_8800_series 11.0\(0.1\)

n/a/Cisco IP Phone 8800 Series Cisco IP Phone 8800 Series

Published Jun 13, 2017

Tracked Since Feb 18, 2026