CVE-2021-21466 Explained : Impact and Mitigation
Learn about CVE-2021-21466 affecting SAP Business Warehouse and SAP BW/4HANA, allowing attackers to inject code, compromise data, and disrupt system functionality. Find mitigation steps here.
This CVE-2021-21466 affects SAP Business Warehouse and SAP BW/4HANA, allowing a low privileged attacker to inject code using a remote enabled function module over the network. This could result in severe impacts on the operating system and SAP functionality.
Understanding CVE-2021-21466
This section provides insights into the nature of the vulnerability and its potential consequences.
What is CVE-2021-21466?
CVE-2021-21466 involves code injection in SAP Business Warehouse versions 700, 701, 702, 711, 730, 731, 740, 750, 782, and SAP BW/4HANA versions 100, 200. Attackers can create a malicious ABAP report, access sensitive data, inject harmful statements, and disrupt system functionality, leading to a Denial of Service.
The Impact of CVE-2021-21466
The CVSS score of 9.9 indicates critical severity, with a high impact on confidentiality, integrity, and availability. The attack vector is through the network, with low privileges required and no user interaction, making it extremely dangerous.
Technical Details of CVE-2021-21466
Explore the vulnerability specifics and how it can affect systems and versions.
Vulnerability Description
The vulnerability allows attackers to exploit the system by injecting malicious code via a remote enabled function module, posing risks of data breach and system disruption.
Affected Systems and Versions
SAP Business Warehouse versions < 700, < 701, < 702, < 711, < 730, < 731, < 740, < 750, < 782, and SAP BW/4HANA versions < 100, < 200 are vulnerable to this code injection.
Exploitation Mechanism
Through the function module, attackers inject malicious ABAP code, enabling unauthorized access, data manipulation, and system compromise.
Mitigation and Prevention
Learn how to safeguard your systems from CVE-2021-21466 and prevent potential exploits.
Immediate Steps to Take
Security measures such as applying patches, restricting network access, and monitoring system activities can help mitigate the risk of exploitation.
Long-Term Security Practices
Regular security updates, training personnel on secure coding practices, and conducting vulnerability assessments are crucial for long-term protection.
Patching and Updates
Keep systems up to date with the latest security patches and software updates to address known vulnerabilities and enhance overall security posture.