CVE-2020-26818 : Security Advisory and Response

SAP NetWeaver AS ABAP (Web Dynpro) versions 731, 740, 750, 751, 752, 753, 754, 755, 782 allow authenticated users to access Web Dynpro components, leading to Information Disclosure.

Understanding CVE-2020-26818

This CVE involves a vulnerability in SAP NetWeaver AS ABAP (Web Dynpro) that allows unauthorized access to sensitive system information.

What is CVE-2020-26818?

SAP NetWeaver AS ABAP (Web Dynpro) versions 731 to 782 permit authenticated users to view restricted system data, resulting in Information Disclosure due to missing authorization.

The Impact of CVE-2020-26818

The vulnerability can lead to the exposure of confidential system information, which should only be accessible to highly privileged users, potentially compromising data confidentiality.

Technical Details of CVE-2020-26818

This section provides in-depth technical insights into the CVE.

Vulnerability Description

The issue allows authenticated users to access Web Dynpro components, revealing sensitive system data that should be restricted.

Affected Systems and Versions

SAP NetWeaver AS ABAP (Web Dynpro) versions: 731, 740, 750, 751, 752, 753, 754, 755, 782

Exploitation Mechanism

The vulnerability arises from a lack of proper authorization controls, enabling authenticated users to bypass restrictions and access sensitive information.

Mitigation and Prevention

Protect your systems from CVE-2020-26818 with these security measures.

Immediate Steps to Take

Apply relevant security patches provided by SAP promptly.
Monitor system logs for any unauthorized access attempts.
Restrict user permissions to minimize the impact of unauthorized access.

Long-Term Security Practices

Regularly review and update authorization policies.
Conduct security training for users to raise awareness of data protection.

Patching and Updates

Stay informed about security updates from SAP and apply them as soon as they are available.