CVE-2021-38163 : Security Advisory and Response

This CVE-2021-38163 article provides detailed information about a critical vulnerability affecting SAP NetWeaver (Visual Composer 7.0 RT) versions 7.30, 7.31, 7.40, and 7.50, allowing an attacker to upload and execute malicious files with elevated privileges.

Understanding CVE-2021-38163

CVE-2021-38163 is a critical vulnerability in SAP NetWeaver (Visual Composer 7.0 RT) versions 7.30, 7.31, 7.40, and 7.50 that enables an attacker to execute arbitrary operating system commands with Java Server process privileges.

What is CVE-2021-38163?

Vulnerability in SAP NetWeaver (Visual Composer 7.0 RT) versions 7.30, 7.31, 7.40, 7.50
Allows an authenticated non-administrative user to upload a malicious file and execute commands
Attack vector: NETWORK

The Impact of CVE-2021-38163

CVSS Base Score: 9.9 (Critical)
Attack Complexity: LOW
Confidentiality, Integrity, and Availability Impact: HIGH
Scope: CHANGED
The vulnerability allows unauthorized access, modification, or denial of service.

Technical Details of CVE-2021-38163

Learn more about the vulnerability details and affected systems.

Vulnerability Description

The flaw in SAP NetWeaver (Visual Composer 7.0 RT) versions allows a non-admin user to upload and execute malicious files without restrictions.

Affected Systems and Versions

Product: SAP NetWeaver (Visual Composer 7.0 RT)
Versions: 7.30, 7.31, 7.40, 7.50
Status: Affected

Exploitation Mechanism

Attacker uploads a malicious file over the network
Executes operating system commands with Java Server process privileges
Can read, modify, or shut down the server

Mitigation and Prevention

Understand the steps to mitigate and prevent exploitation of this critical vulnerability.

Immediate Steps to Take

Apply security patches from the vendor
Restrict access and permissions

Long-Term Security Practices

Regular security assessments and code reviews
Employee training on security best practices
Network segmentation and monitoring

Patching and Updates

Update SAP NetWeaver (Visual Composer 7.0 RT) to a fixed version
Monitor vendor releases for security patches