A vulnerability in the Certificate Authority Proxy Function (CAPF) of Cisco Unified Communications Manager (Cisco Unified CM) could allow an unauthenticated, remote attacker to change information related to registered devices. The vulnerability is due to insufficient authentication enforcement. An attacker could exploit this vulnerability by submitting crafted information regarding the device to CAPF. An exploit could allow the attacker to change certain information regarding a registered device. Cisco has confirmed the vulnerability in a security notice; however, software updates are not available. 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-Feb-25 |
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