The remote Windows host has an application installed that is affected by multiple vulnerabilities.
The WinSCP program installed on the remote host is a version prior to 5.1.7. It therefore contains code from PuTTY that is affected by the following vulnerabilities related to PuTTY : - An overflow error exists that allows heap corruption when handling DSA signatures. (CVE-2013-4206) - A buffer overflow error exists related to modular inverse calculation, non-coprime values, and DSA signature verification. (CVE-2013-4207) - An error exists that allows disclosure of private key material. (CVE-2013-4208)
Upgrade to WinSCP version 5.1.7 / 5.2.4 beta or later.