CVE-2020-3596
A vulnerability in the Session Initiation Protocol (SIP) of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to incorrect handling of incoming SIP traffic. An attacker could exploit this vulnerability by sending a series of SIP packets to an affected device. A successful exploit could allow the attacker to exhaust memory on an affected device, causing it to crash and leading to a DoS condition.
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - psirt@cisco.com
- Published
- 2020-10-08
- Last modified
- 2024-11-13
- Weaknesses
- CWE-670, CWE-789
Affected products
- Cisco Telepresence Video Communication Server Vcs Expressway (Cisco)
- Expressway (Cisco)
- Telepresence Video Communication Server (Cisco)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expressway-vcs-dos-n6xxTMZB