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XCCDF
Kubernetes Security Technical Implementation Guide
SRG-APP-000033-CTR-000095
The Kubernetes API server must have the insecure bind address not set.
The Kubernetes API server must have the insecure bind address not set.
An XCCDF Rule
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The Kubernetes API server must have the insecure bind address not set.
High Severity
<VulnDiscussion>By default, the API server will listen on two ports and addresses. One address is the secure address and the other address is called the "insecure bind" address and is set by default to localhost. Any requests to this address bypass authentication and authorization checks. If this insecure bind address is set to localhost, anyone who gains access to the host on which the Control Plane is running can bypass all authorization and authentication mechanisms put in place and have full control over the entire cluster. Close or set the insecure bind address by setting the API server's "--insecure-bind-address" flag to an IP or leave it unset and ensure that the "--insecure-bind-port" is not set.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>