CVE-2021-33679 : Exploit Details and Defense Strategies

A critical vulnerability has been identified in the SAP BusinessObjects Business Intelligence Platform (BI Workspace) version less than 420, allowing attackers to execute malicious scripts and compromise user confidentiality and integrity.

Understanding CVE-2021-33679

This CVE involves a Cross-Site Scripting (XSS) vulnerability in SAP BusinessObjects BI Platform, enabling attackers with basic access to inject harmful scripts.

What is CVE-2021-33679?

The SAP BusinessObjects BI Platform version less than 420 allows attackers to insert malicious scripts when creating new documents, files, or folders. Subsequently, when another user accesses that page, the injected script executes, enabling the attacker to compromise their confidentiality and integrity.

The Impact of CVE-2021-33679

With a CVSS base score of 5.4 (Medium Severity), this vulnerability poses a risk to affected systems' confidentiality and integrity. Attackers can exploit this flaw to execute arbitrary scripts and potentially gain unauthorized access.

Technical Details of CVE-2021-33679

This section outlines the vulnerability description, affected systems, and the mechanism of exploitation.

Vulnerability Description

The CVE-2021-33679 vulnerability in SAP BusinessObjects BI Platform version less than 420 allows attackers to insert harmful scripts, compromising user sessions and system security.

Affected Systems and Versions

SAP BusinessObjects Business Intelligence Platform (BI Workspace) version less than 420 is impacted by this vulnerability.

Exploitation Mechanism

Attackers with basic access can inject malicious scripts during the creation of new modules. Subsequently, these scripts execute when another user visits the compromised page.

Mitigation and Prevention

To address CVE-2021-33679, immediate steps, and long-term security practices should be implemented along with timely patching and updates.

Immediate Steps to Take

Organizations should restrict access, apply security patches promptly, and monitor user-generated content to mitigate the risk of exploitation.

Long-Term Security Practices

Enforce secure coding practices, conduct regular security audits, and educate users on the dangers of executing unverified scripts to enhance overall security.

Patching and Updates

Ensure that SAP BusinessObjects BI Platform is regularly updated with the latest security patches to address known vulnerabilities and enhance system security.