CVE-2021-33694 : Exploit Details and Defense Strategies

A Stored Cross-Site Scripting vulnerability (CWE-79) in SAP Cloud Connector, version 2.0, allows an attacker with Administrator rights to insert malicious code that can be executed in the application.

Understanding CVE-2021-33694

This CVE involves a security issue in SAP Cloud Connector version 2.0 that enables attackers to execute malicious scripts within the application.

What is CVE-2021-33694?

The vulnerability in SAP Cloud Connector version 2.0 arises from insufficient encoding of user-controlled inputs, permitting attackers to store and execute malicious scripts, potentially leading to Stored Cross-Site Scripting attacks.

The Impact of CVE-2021-33694

With a CVSS base score of 5.9 (Medium severity), this vulnerability could be exploited by an attacker with Administrator privileges to compromise the application's integrity and confidentiality by executing malicious scripts.

Technical Details of CVE-2021-33694

This section covers specific technical details related to the vulnerability.

Vulnerability Description

The flaw allows an attacker with Administrator rights to inject malicious code into the application, causing Stored Cross-Site Scripting.

Affected Systems and Versions

Affected Product: SAP Cloud Connector
Vendor: SAP SE
Affected Version: < 2.0

Exploitation Mechanism

Attackers with Administrator rights can insert malicious scripts into the application, potentially leading to the execution of harmful code when accessed.

Mitigation and Prevention

To address this vulnerability, specific steps can be taken to mitigate risks and enhance the security of the application.

Immediate Steps to Take

Upgrade to a patched version beyond 2.0 to mitigate the vulnerability.
Regularly monitor and audit user inputs to prevent injection of malicious scripts.

Long-Term Security Practices

Implement secure coding practices to sanitize user inputs effectively.
Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by SAP to address known vulnerabilities and ensure the application's security.