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CVE-2021-21444 : Exploit Details and Defense Strategies

Discover the impact of CVE-2021-21444, an X-Frame-Options header vulnerability in SAP Business Objects BI Platform versions 410, 420, and 430, leading to Clickjacking attacks. Learn how to mitigate this security risk.

A Clickjacking vulnerability has been identified in SAP Business Objects Business Intelligence Platform, versions 410, 420, and 430, allowing multiple X-Frame-Options headers entries in the response headers.

Understanding CVE-2021-21444

This CVE involves a vulnerability in SAP Business Objects BI Platform that could potentially lead to Clickjacking attacks.

What is CVE-2021-21444?

The vulnerability in SAP Business Objects Business Intelligence Platform versions 410, 420, and 430 allows for multiple X-Frame-Options headers entries, which may not be predictably treated by all user agents.

The Impact of CVE-2021-21444

This vulnerability could nullify the added X-Frame-Options header, exposing the platform to Clickjacking attacks.

Technical Details of CVE-2021-21444

The following technical details outline the specifics of this CVE:

Vulnerability Description

SAP Business Objects BI Platform versions 410, 420, and 430 permit multiple X-Frame-Options headers, potentially leading to Clickjacking.

Affected Systems and Versions

        Product: SAP Business Objects Business Intelligence Platform (CMC and BI Launchpad)
        Vendor: SAP SE
        Versions: < 410, < 420, < 430

Exploitation Mechanism

Exploiting this vulnerability involves manipulating the multiple X-Frame-Options headers to nullify the added protection, making the platform susceptible to Clickjacking attacks.

Mitigation and Prevention

To address CVE-2021-21444 and safeguard your systems, consider the following security measures:

Immediate Steps to Take

        Update to a patched version provided by SAP to mitigate the vulnerability.
        Implement security best practices to prevent Clickjacking attacks.

Long-Term Security Practices

        Regularly monitor for security advisories and updates from SAP.
        Conduct security assessments and penetration tests to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches and updates released by SAP promptly to ensure your systems are protected against known vulnerabilities.

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