Horizon Alert
Summary of the vulnerability and why it matters
An authenticated remote code execution vulnerability exists within Kentico Xperience. This flaw permits authenticated users of the Staging Sync Server to upload arbitrary data to locations relative to a specified path. This capability can lead to a path traversal and the execution of server-side content, ultimately enabling remote code execution.
- Vulnerable Kentico Xperience Staging Sync Server
- Allows arbitrary file upload and path traversal
- Potential for remote code execution and data compromise
Attack Path
How an attacker could exploit the issue
An authenticated remote code execution vulnerability exists in Kentico Xperience. This flaw allows authenticated users to upload arbitrary data to relative path locations through the Staging Sync Server. The attack exploits path traversal, enabling the upload of executable content that can lead to server-side code execution.
- Exposure: Authenticated access to Staging Sync Server.
- Attacker action: Upload arbitrary data via path traversal.
- Result: Server-side code execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability allows authenticated users to upload arbitrary data to specific locations on the server. This can lead to the execution of malicious content, potentially granting attackers full control of the affected system. The risk is elevated because it enables remote code execution.
- Attackers need administrator privileges.
- Exploitation requires authenticated access.
- Treat as urgent for affected systems.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
The organization should address the authenticated remote code execution vulnerability in Kentico Xperience. This vulnerability allows authenticated users to upload arbitrary data, leading to path traversal and potential server-side code execution. The issue affects Kentico Xperience through version 13.0.178.
- Identify Kentico Xperience installations.
- Restrict access to the Staging Sync Server.
- Apply vendor updates and verify.
- Monitor for related activity.
