Cisco NAC Appliance contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to insufficient validation of user-supplied input processed by the affected software. An unauthenticated, remote attacker could exploit this vulnerability by convincing a user to follow a malicious URL. Successful exploitation could allow an attacker to execute arbitrary script code in a user's browser session in the security context of the site that is hosted by the affected software. Cisco has confirmed this vulnerability in a security notice and software updates are available. To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.
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-11 |
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