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Unrestricted RDP access Affecting Compute Engine service in Google

Severity

0.0
high
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    Network / Ports

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    Frameworks
    CIS-Controls CIS-Google CSA-CCM ISO-27001 NIST-800-53 PCI-DSS SOC-2
  • Snyk ID SNYK-CC-00376
  • credit Snyk Research Team
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Description

If RDP is open to the internet, attackers can attempt to gain access to VM instances. Removing unfettered connectivity to remote console services, such as RDP, reduces a server's exposure to risk.

How to fix?

Set source_ranges attribute to specific IP address range, for example 192.168.0.0/24.

Example Configuration

resource "google_compute_firewall" "allowed" {
  name    = "test-firewall"
  network = google_compute_network.default.name

  allow {
    protocol = "tcp"
    ports    = ["3389"]
  }

  source_ranges = ["192.168.0.0/24"]
}