TMA-KUBERNETES-5.1.7
Avoid use of system:masters group
CriticalLevel 1Manual reviewkubernetes
Description
The special group system:masters should not be used to grant permissions to any user or service account, except where strictly necessary (e.g. bootstrapping access prior to RBAC being fully available) The benchmark marks this recommendation Manual.
How it is checked
Audit method: Manual review
This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.
Review a list of all credentials which have access to the cluster and ensure that the group system:masters is not used.
How it is fixed
Fix method: Guidance or infrastructure patch
Remove the system:masters group from all users in the cluster.
Properties
- Operating systems
- Any
- Tags
- kubernetespoliciesrbac
- Reference
- CIS Kubernetes Benchmark v2.1.0 - 5.1.7 Avoid use of system:masters group