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Scenario #264
Security
Kubernetes v1.20, On-Premise

Exposed Kubernetes Dashboard Without Authentication

The Kubernetes Dashboard was exposed without authentication, allowing unauthorized access to cluster resources.

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What Happened

The Kubernetes Dashboard was deployed with default settings, lacking authentication mechanisms. This oversight allowed anyone with network access to interact with the dashboard and manage cluster resources.

Diagnosis Steps
  • 1Accessed the dashboard without credentials.
  • 2Identified the ability to perform administrative actions.
  • 3Checked deployment configurations for authentication settings.
Root Cause

Deployment of the Kubernetes Dashboard without enabling authentication.

Fix/Workaround
• Enabled authentication mechanisms for the dashboard.
• Restricted access to the dashboard using network policies.
• Monitored dashboard access logs for unauthorized attempts.
Lessons Learned

Always secure administrative interfaces with proper authentication and access controls.

How to Avoid
  • 1Implement authentication and authorization for all administrative tools.
  • 2Limit access to management interfaces through network restrictions.
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