Unspecified vulnerability in the SIP server in SIP Enablement Services (SES) in Avaya Communication Manager 3.1.x and 4.x allows remote authenticated users to cause a denial of service (resource consumption) via unknown vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/49849
https://exchange.xforce.ibmcloud.com/vulnerabilities/41734
http://www.voipshield.com/research-details.php?id=23