A vulnerability in Cisco Unified Communications Domain Manager Platform Software could allow an unauthenticated, remote attacker to cause high CPU utilization. The vulnerability is due to improper handling of crafted TCP packets. An attacker could exploit this vulnerability by sending crafted TCP packets at a high rate. An exploit could allow the attacker to cause high CPU utilization, which could impact operations of the affected system. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. To exploit this vulnerability, an attacker may need access to trusted, internal networks behind a firewall to send crafted TCP packets to the targeted device. This access requirement may reduce the likelihood of a successful exploit. Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
| Version | Description | Section | Status | Date |
| 1.0 | Initial Release | NA | Final | 2014-Sep-23 |
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