Horizon Alert
Summary of the vulnerability and why it matters
SAP NetWeaver's Visual Composer component contains a vulnerability that allows an authenticated, non-administrative user to upload a malicious file. This file can then be processed to execute operating system commands with the privileges of the Java Server process. Such commands could lead to unauthorized modification or deletion of information on the server, or cause the server to become unavailable.
- Vulnerable SAP NetWeaver component
- Unrestricted file upload capability
- Potential for data compromise or denial of service
Attack Path
How an attacker could exploit the issue
An attacker can exploit a vulnerability in SAP NetWeaver Visual Composer to gain unauthorized access and control over affected systems. This occurs when a non-administrative user uploads a malicious file, which is then processed by the system. The malicious file can execute operating system commands with the privileges of the Java Server process, potentially leading to data manipulation or system shutdown.
- Exposure condition: Network access to SAP NetWeaver Visual Composer.
- Attacker starting point: Authenticated as a non-administrative user.
- Trigger and result: Upload and processing of a malicious file leads to OS command execution.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability in SAP NetWeaver's Visual Composer allows an authenticated, non-administrative user to upload and execute malicious files. This could lead to unauthorized operating system commands being run with the privileges of the Java Server process. Such commands could be used to access, modify, or delete any information on the server, or to shut down the server, causing a denial of service. The potential for significant data compromise and system disruption presents a substantial business risk.
- Likely attacker skill level: Low.
- Required access or conditions: Authenticated non-administrative user.
- Business risk or urgency: High.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
The identified vulnerability in SAP NetWeaver Visual Composer allows an authenticated, non-administrative user to upload and process a malicious file. This action can lead to the execution of operating system commands with the privileges of the Java Server process, potentially resulting in unauthorized data access, modification, or server downtime. This poses a significant business risk by impacting system availability and data integrity.- Identify all SAP NetWeaver Visual Composer installations.
- Restrict network access to Visual Composer.
- Apply SAP Note 3084487; verify fix.
