Cisco Unity Connection contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to the improper handling of user-supplied requests by the affected software. An unauthenticated, remote attacker could exploit this vulnerability by sending crafted requests to an affected system. The processing of such requests could cause a DoS condition, denying access to legitimate users. Cisco has confirmed the vulnerability; however, software updates are not available. To exploit this vulnerability, an attacker would need access to trusted, internal networks to submit malicious requests to the targeted system. This access requirement decreases the likelihood of a successful exploit.
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 | 2013-Feb-18 |
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