Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Network/ Public Access
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CIS-ControlsCSA-CCMISO-27001NIST-800-53PCI-DSSSOC-2
- Snyk IDSNYK-CC-00473
- creditSnyk Research Team
Description
Public access is granted to all resources behind the network security group and potentially everyone can access your resources.
How to fix?
Set properties.sourceAddressPrefix attribute to specific IP range only, e.g. 192.168.1.0/24.
Set source_address_prefix attribute to specific IP range only, e.g. 192.168.0.0/24.
Example Configuration
resource "azurerm_network_security_group" "allowed2" {
name = "allowednsg2"
location = azurerm_resource_group.example473.location
resource_group_name = azurerm_resource_group.example473.name
security_rule {
name = "allowed"
priority = 100
direction = "Inbound"
access = "Allow"
protocol = "Tcp"
source_port_range = "*"
destination_port_range = "*"
source_address_prefix = "192.168.0.0/24"
destination_address_prefix = "*"
}