Vulnerability identifier: #VU47528
Vulnerability risk: Medium
CVSSv3.1: 5.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-789
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco Expressway
Server applications /
Conferencing, Collaboration and VoIP solutions
Cisco TelePresence Video Communication Server
Server applications /
Other server solutions
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect handling of incoming Session Initiation Protocol (SIP) traffic. A remote attacker can send a series of SIP packets and cause a DoS condition.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Cisco Expressway: X12.6.3
Cisco TelePresence Video Communication Server: X12.6.3
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.