Cisco IP Phone 8851 SIP Implementation Denial of Service Vulnerability

CVE-2017-6630 · HIGH Severity

AV:N/AC:L/AU:N/C:N/I:N/A:C

A vulnerability in the Session Initiation Protocol (SIP) implementation of Cisco IP Phone 8851 11.0(0.1) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to an abnormal SIP message. An attacker could exploit this vulnerability by manipulating the CANCEL packet. An exploit could allow the attacker to cause a disruption of service to the phone. Cisco Bug IDs: CSCvc34795.

Learn more about our Cis Benchmark Audit For Cisco.