STIGQter: STIG Summary: Kubernetes Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Apr 2026:

The Kubernetes API server must have anonymous authentication disabled.

DISA Rule

SV-242390r1137640_rule

Vulnerability Number

V-242390

Group Title

SRG-APP-000033-CTR-000100

Rule Version

CNTR-K8-000360

Severity

CAT I

CCI(s)

• CCI-000213 - Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Edit the Kubernetes API Server manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Control Plane.

Set the value of "--anonymous-auth" to "false".

Check Contents

Change to the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Run the command:

grep -i anonymous-auth *

If the setting "--anonymous-auth" is set to "true" in the Kubernetes API Server manifest file, this is a finding.

Vulnerability Number

V-242390

Documentable

False

Rule Version

CNTR-K8-000360

Severity Override Guidance

Change to the /etc/kubernetes/manifests directory on the Kubernetes Control Plane. Run the command:

grep -i anonymous-auth *

If the setting "--anonymous-auth" is set to "true" in the Kubernetes API Server manifest file, this is a finding.

Check Content Reference

M

Target Key

5376