Cisco has released free software updates that address the vulnerability described in this advisory. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:https://www.cisco.com/c/en/us/products/end-user-license-agreement.html. Customers may only download software for which they have a valid license, procured from Cisco directly or through a Cisco authorized reseller or partner.”]