CVE-2021-21467 : Vulnerability Insights and Analysis

SAP Banking Services (Generic Market Data) by SAP SE is affected by a vulnerability that allows an authenticated user unauthorized access to restricted Business Partner Generic Market Data (GMD) due to missing authorization checks, leading to privilege escalation. The CVSS base score for this CVE is 4.3, indicating a medium severity issue.

Understanding CVE-2021-21467

This section provides an overview of the CVE-2021-21467 vulnerability affecting SAP Banking Services (Generic Market Data).

What is CVE-2021-21467?

The CVE-2021-21467 vulnerability in SAP Banking Services (Generic Market Data) enables unauthorized users to view restricted GMD without proper authorization, potentially escalating their user privileges.

The Impact of CVE-2021-21467

The impact of this vulnerability is categorized as medium severity, with a CVSS base score of 4.3. It poses a risk of privilege escalation and unauthorized access to sensitive data within the application.

Technical Details of CVE-2021-21467

Explore the technical aspects of the CVE-2021-21467 vulnerability to understand its implications and affected systems.

Vulnerability Description

The vulnerability arises from the lack of necessary authorization checks in the SAP Banking Services (Generic Market Data) application, allowing authenticated users to bypass restrictions and access confidential GMD.

Affected Systems and Versions

The versions of SAP Banking Services (Generic Market Data) impacted by CVE-2021-21467 include versions below 400, 450, and 500, exposing a range of installations to the authorization vulnerability.

Exploitation Mechanism

Unauthorized users can exploit this vulnerability through improper authorization checks, gaining access to restricted Business Partner Generic Market Data within the application.

Mitigation and Prevention

To address the CVE-2021-21467 vulnerability, immediate steps should be taken alongside long-term security practices to ensure robust protection.

Immediate Steps to Take

Organizations using affected versions of SAP Banking Services (Generic Market Data) should implement proper authorization checks and monitor user access to prevent unauthorized escalation of privileges.

Long-Term Security Practices

Establishing a comprehensive authorization framework, conducting regular security audits, and educating users on data access policies are essential for mitigating similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by SAP SE for SAP Banking Services to address vulnerabilities like CVE-2021-21467 and enhance the security posture of your systems.