On August 14th VMware released the Update d for VCSA 6.7.0.
With this update VMware fixes security issues related to CVE-2018-3646
The full information about the vCenter updates can be found here:
VMware vCenter Server 6.7.0c Release Notes
Version: vCenter Server 6.7.0c (184.108.40.20600)
How to update the VCSA can be found here:
How to upgrade the VCSA from an earlier version can be found here: