Denial of service in Cisco 6800 Series IP Phones - CVE-2017-6630
Published: May 18, 2017 / Updated: May 19, 2017
Vulnerability identifier: #VU6604
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6630
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote unauthenticated user to cause DoS condition in the target system.
The weakness exists due to an error when processing an abnormal SIP message. A remote attacker can use the CANCEL packet to cause a disruption of service on the phone.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to an error when processing an abnormal SIP message. A remote attacker can use the CANCEL packet to cause a disruption of service on the phone.
Successful exploitation of the vulnerability results in denial of service.
Affected software
Cisco 6800 Series IP Phones
How to mitigate CVE-2017-6630
Install update from vendor's website.