CVE-2021-38176 Explained : Impact and Mitigation

A detailed analysis of CVE-2021-38176, a critical vulnerability affecting multiple SAP products.

Understanding CVE-2021-38176

This section provides insights into the vulnerability's description, impact, affected systems, and mitigation strategies.

What is CVE-2021-38176?

CVE-2021-38176 arises due to improper input sanitization in specific SAP products. An authenticated user with certain privileges can exploit this to compromise system security.

The Impact of CVE-2021-38176

A threat actor can gain remote access, execute manipulated queries, inject ABAP code, and compromise system confidentiality, integrity, and availability.

Technical Details of CVE-2021-38176

Explore the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability enables unauthorized users with privileges to execute malicious code on the backend database.

Affected Systems and Versions

SAP S/4HANA (< 1511, < 1610, < 1709, < 1809, < 1909, < 2020, < 2021), SAP LT Replication Server (< 2.0, < 3.0), SAP LTRS for S/4HANA (< 1.0), SAP Test Data Migration Server (< 4.0), SAP Landscape Transformation (< 2.0).

Exploitation Mechanism

Due to improper input sanitization, authenticated users can call NZDT function modules to manipulate queries or inject code.

Mitigation and Prevention

Learn about the immediate steps to take and long-term security practices to safeguard against CVE-2021-38176.

Immediate Steps to Take

It is crucial to apply patches and updates provided by SAP to address the vulnerability.

Long-Term Security Practices

Implement robust input sanitization measures, restrict user privileges, and monitor system activities regularly.

Patching and Updates

Regularly update SAP products and apply security patches to prevent exploitation of this vulnerability.