Cisco Cisco Email Security Appliance C160

New License Agreement and Supplemental License Agreement. The IronPort End User License 
Agreement has been replaced and a Supplemental License Agreement has been added. Because the 
license agreement has changed, you may be required to accept the new agreement when you apply new 
feature keys after upgrading.

A copy of the new license agreement is included in the Online Help. To view it, choose Help and 
Support > Online Help, scroll down to the end of the the Contents list, and click the link for the license 
agreement.

The following issue is resolved in this release: 

For additional information about Cisco IronPort AsyncOS 7.5.2 for Email Security, see the Release 
Notes at 

. 

A vulnerability in the Cisco IronPort Email Security appliance that could have allowed 
an authenticated, remote attacker to execute arbitrary commands on the underlying 
operating system with elevated privileges.

For more information on the vulnerability, see the Cisco security advisory at 

.