Improper Access Control in SAP Business Explorer (BEx)
Impact on Business
By exploiting this vulnerability, an authenticated malicious user can delete workplace favorites nodes belonging to any other user in the system. This can lead to unauthorized modification of user-specific data and disruption of business workflows within the SAP Business Explorer environment.
Vulnerability Details
A vulnerability exists in the RFC-enabled function module BX_FAVOS_DELETE_NODE which fails to perform sufficient authorization checks. An authenticated user with low privileges can invoke this function to delete favorites nodes from the workplace of any other user. The lack of proper access control allows for unauthorized integrity impact on user-specific configurations.
Solution
SAP has released SAP Note 3488039 which provides patched versions of the affected components.
The patches can be downloaded from https://me.sap.com/notes/3488039.
Onapsis strongly recommends SAP customers to download the related security fixes and apply them to the affected components in order to reduce business risks.
Report Timeline
- 06/03/2024: Onapsis reports vulnerability to SAP
- 09/10/2024: SAP issues the patch
References
Advisory Information
- Public Release Date: 08/05/2026
- Security Advisory ID: ONAPSIS-2026-00004
- Researcher(s): Adrian Radulescu
Vulnerability Information
- Vendor: SAP
- Affected Components: SAP NetWeaver ABAP, SAP Business Explorer (BEx) (Check SAP Note 3488039 for detailed information on affected releases)
- Vulnerability Class: CWE-284: Improper Access Control
- CVSS v3 score: 5.4 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L)
- Risk Level: Medium
- Assigned CVE: CVE-2024-42371
- Vendor patch Information: SAP Security NOTE 3488039
Affected Components Description
The vulnerability affects components within SAP NetWeaver ABAP and the SAP Business Explorer (BEx) Analyzer. Specifically, it involves the handling of workplace favorites within the BI AddOn and related RFC-enabled function modules.
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Onapsis Research Labs provides the industry analysis of key security issues that impact mission-critical systems and applications. Delivering frequent and timely security and compliance advisories with associated risk levels, Onapsis Research Labs combine in-depth knowledge and experience to deliver technical and business-context with sound security judgment to the broader information security community.
Find all reported vulnerabilities at: https://github.com/Onapsis/vulnerability_advisories
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