Cisco Security Advisory Follow https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-apidos-PGsDcdNF?vs_cat=Security+Intelligence&vs_f=Cisco+Security+Advisory&vs_k=1&vs_p=Multiple+Cisco+Unified+Communications+Products+Unauthenticated+API+High+CPU+Utilization+Denial+of+Service+Vulnerability&vs_type=RSS sec.cloudapps.cisco.com
