CVE-2021-40504 : Exploit Details and Defense Strategies

A certain template role in SAP NetWeaver Application Server for ABAP and ABAP Platform versions has a vulnerability related to transport authorizations.

Understanding CVE-2021-40504

This CVE impacts SAP NetWeaver AS for ABAP and ABAP Platform.

What is CVE-2021-40504?

The vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform versions leads to excessive transport authorizations beyond display permissions.

The Impact of CVE-2021-40504

The impact includes unauthorized access to transport-related actions within the affected versions.

Technical Details of CVE-2021-40504

This section provides detailed technical information about the vulnerability.

Vulnerability Description

A template role in SAP NetWeaver AS for ABAP and ABAP Platform versions allows more authorization than expected, including transport authorization permissions.

Affected Systems and Versions

SAP NetWeaver AS for ABAP and ABAP Platform versions 700 to 756

Exploitation Mechanism

The vulnerability can be exploited by unauthorized users gaining access to transport-related functionalities beyond their designated permissions.

Mitigation and Prevention

Steps to mitigate and prevent the CVE.

Immediate Steps to Take

Apply the recommended SAP security notes and corrections provided by the vendor.
Restrict access to transport authorizations based on the principle of least privilege.
Monitor and review transport authorization settings for excessive permissions.

Long-Term Security Practices

Regularly update and patch SAP NetWeaver AS for ABAP and ABAP Platform to the latest secure versions.
Implement SAP security best practices and guidelines to maintain a secure system environment.
Conduct periodic security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Keep track of SAP security notes and patches for addressing known vulnerabilities.
Ensure timely deployment of patches provided by SAP to secure the system from exploitation.