|CVSS SCORE||7.5, (AV:N/AC:L/Au:N/C:P/I:P/A:P)|
|TIPPINGPOINT™ IPS CUSTOMER PROTECTION||TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 24398. For further product information on the TippingPoint IPS: http://www.tippingpoint.com|
The specific flaw exists within the configuration of the product. The web service comes with a hidden system account with a hard-coded password. An attacker can use this vulnerability to log into the system with high-privilege credentials.
Schneider Electric states:
03/29/2016 - ZDI disclosed the vulnerability reports to ICS-CERT (with an expected 'due date' of 07/27/16).
Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the service to trusted machines. Only the clients and servers that have a legitimate procedural relationship with the service should be permitted to communicate with it. This could be accomplished in a number of ways, most notably with firewall rules/whitelisting. These features are available in the native Windows Firewall, as described in http://technet.microsoft.com/en-us/library/cc725770%28WS.10%29.aspx and numerous other Microsoft Knowledge Base articles.