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

The Kubernetes Kubelet must have anonymous authentication disabled.

DISA Rule

SV-242391r1137638_rule

Vulnerability Number

V-242391

Group Title

SRG-APP-000033-CTR-000090

Rule Version

CNTR-K8-000370

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

On each Control Plane and Worker Node, run the command:
ps -ef | grep kubelet

Remove the "anonymous-auth" option if present.

Note the path to the config file (identified by --config).

Edit the config file:
Locate the "authentication" section and the "anonymous" subsection. Within the "anonymous" subsection, set "enabled" to "false".

Restart the kubelet service using the following command:
systemctl daemon-reload && systemctl restart kubelet

Check Contents

On each Control Plane and Worker Node, run the command:
ps -ef | grep kubelet

If the "--anonymous-auth" option exists, this is a finding.

Note the path to the config file (identified by --config).

Inspect the content of the config file:
Locate the "anonymous" section under "authentication". In this section, if the field "enabled" does not exist or is set to "true", this is a finding.

Vulnerability Number

V-242391

Documentable

False

Rule Version

CNTR-K8-000370

Severity Override Guidance

On each Control Plane and Worker Node, run the command:
ps -ef | grep kubelet

If the "--anonymous-auth" option exists, this is a finding.

Note the path to the config file (identified by --config).

Inspect the content of the config file:
Locate the "anonymous" section under "authentication". In this section, if the field "enabled" does not exist or is set to "true", this is a finding.

Check Content Reference

M

Target Key

5376