CWE-1327

Binding to an Unrestricted IP Address
AI Translation Available

The product assigns the address 0.0.0.0 for a database server, a cloud service/instance, or any computing resource that communicates remotely.

Status
incomplete
Abstraction
base
Other Client Server Cloud Computing Web Server

When a server binds to the address 0.0.0.0, it allows connections from every IP address on the local machine, effectively exposing the server to every possible network. This might be much broader access than intended by the developer or administrator, who might only be expecting the server to be reachable from a single interface/network.

Common Consequences

availability
Impacts
dos: amplification

Potential Mitigations

Phases:
system configuration
Descriptions:
• Unwanted connections to the configured server may be denied through a firewall or other packet filtering measures.
• Assign IP addresses that are not 0.0.0.0.