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

The Kubernetes etcd must use TLS to protect the confidentiality of sensitive data during electronic dissemination.

DISA Rule

SV-242380r960759_rule

Vulnerability Number

V-242380

Group Title

SRG-APP-000014-CTR-000035

Rule Version

CNTR-K8-000190

Severity

CAT II

CCI(s)

• CCI-000068 - Implement cryptographic mechanisms to protect the confidentiality of remote access sessions.

Weight

10

Fix Recommendation

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

Set the value of "--peer-auto-tls" to "false".

Check Contents

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

grep -I peer-auto-tls *

If the setting "--peer-auto-tls" is not configured in the Kubernetes etcd manifest file or it is set to "true", this is a finding.

Vulnerability Number

V-242380

Documentable

False

Rule Version

CNTR-K8-000190

Severity Override Guidance

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

grep -I peer-auto-tls *

If the setting "--peer-auto-tls" is not configured in the Kubernetes etcd manifest file or it is set to "true", this is a finding.

Check Content Reference

M

Target Key

5376