Network misconfigurations

VM instance with public access and open port 139 (NetBIOS) and Windows operating system

Risk Level

Informational (4)

Platform(s)
Compliance Frameworks

Description

We have found that {GcpVmInstance} is publicly accessible and has port 139 (NetBIOS) open. Access to this port could result in unauthorized access to the VM instance.
  • Recommended Mitigation

    Make sure that public access through port 139 (NetBIOS) is restricted