Multiple unspecified vulnerabilities in Nortel Communication Server 1000 4.50.x allow remote attackers to execute arbitrary commands to gain privileges, obtain sensitive information, or cause a denial of service via unknown vectors.Referenceshttp://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=713455https://exchange.xforce.ibmcloud.com/vulnerabilities/41803http://securitytracker.com/id?1019849http://osvdb.org/44375http://secunia.com/advisories/29747http://www.securityfocus.com/bid/28691http://www.voipshield.com/research-details.php?id=29