CVE-2020-6201 Explained : Impact and Mitigation

SAP Commerce Cloud (Testweb Extension) versions 6.6, 6.7, 1808, 1811, 1905 are affected by a Reflected Cross Site Scripting vulnerability.

Understanding CVE-2020-6201

This CVE involves a security issue in SAP Commerce Cloud (Testweb Extension) that allows for Reflected Cross Site Scripting.

What is CVE-2020-6201?

The vulnerability arises from insufficient encoding of user-controlled inputs, leading to certain GET URL parameters being reflected in HTTP responses without proper escaping, enabling attackers to execute malicious scripts in the context of a user's session.

The Impact of CVE-2020-6201

The vulnerability has a CVSS base score of 6.1, categorizing it as a medium severity issue. It requires user interaction and can result in low confidentiality and integrity impacts.

Technical Details of CVE-2020-6201

Vulnerability Description

The flaw in SAP Commerce Cloud (Testweb Extension) versions 6.6, 6.7, 1808, 1811, 1905 allows for Reflected Cross Site Scripting due to inadequate input encoding.

Affected Systems and Versions

Product: SAP Commerce Cloud (Testweb Extension)
Vendor: SAP SE
Affected Versions: < 6.6, < 6.7, < 1808, < 1811, < 1905

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into GET URL parameters, which are then reflected in HTTP responses without proper sanitization, potentially leading to the execution of unauthorized code.

Mitigation and Prevention

Immediate Steps to Take

Apply patches or updates provided by SAP to address the vulnerability.
Implement input validation and output encoding to mitigate XSS risks.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Ensure that SAP Commerce Cloud (Testweb Extension) is kept up to date with the latest security patches and updates to prevent exploitation of known vulnerabilities.