CVE-2024-44121 in S4 HANA
Summary
by MITRE • 09/10/2024
Under certain conditions Statutory Reports in SAP S/4 HANA allows an attacker with basic privileges to access information which would otherwise be restricted. The vulnerability could expose internal user data that should remain confidential. It does not impact the integrity and availability of the application
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Analysis
by VulDB Data Team • 09/10/2024
SAP S/4 HANA contains a privilege escalation vulnerability in its statutory reports functionality that enables attackers with minimal user privileges to access restricted internal data. This vulnerability resides within the authorization checking mechanisms that govern access to sensitive statutory reporting information, creating a potential pathway for unauthorized data exposure. The flaw specifically affects the statutory reports module where proper access controls fail to adequately enforce data confidentiality boundaries, allowing authenticated users to retrieve information they should not normally be able to access. This represents a significant security gap in the application's information protection framework and aligns with CWE-284 which addresses improper access control vulnerabilities.
The technical implementation of this vulnerability stems from insufficient authorization checks within the statutory reporting subsystem of SAP S/4 HANA. When users attempt to access statutory reports, the system fails to properly validate whether the requesting user possesses adequate privileges for the specific data elements being accessed. This weakness allows attackers to exploit the system's permission model by leveraging basic user credentials to bypass normal access restrictions that should prevent access to confidential internal user data. The vulnerability operates under specific conditions that must be met for exploitation to occur, suggesting that certain environmental factors or system configurations may influence the attack surface. The flaw does not compromise the system's integrity or availability, indicating that while data confidentiality is at risk, the underlying application functionality and data integrity remain intact.
The operational impact of this vulnerability extends beyond simple data exposure, as it could potentially enable attackers to gather sensitive information about internal users, their roles, and system configurations. This unauthorized access to restricted data could facilitate further attacks by providing attackers with insights into the organization's internal structure and user access patterns. The vulnerability may also contribute to compliance violations, particularly in regulated environments where strict data access controls are mandated. Organizations using SAP S/4 HANA may face audit findings and regulatory penalties if this vulnerability is exploited to access confidential information. The attack vector likely involves manipulating report access requests or leveraging system interfaces that do not properly enforce authorization boundaries, creating a persistent risk for organizations relying on statutory reporting capabilities.
Mitigation strategies should focus on implementing enhanced authorization controls and access validation mechanisms within the statutory reporting functionality. Organizations should immediately review and strengthen their authorization settings for statutory reports, ensuring that proper role-based access controls are enforced for all data elements. System administrators should conduct comprehensive access reviews to identify any unauthorized data access patterns that may have occurred due to this vulnerability. The implementation of additional monitoring and logging for statutory report access activities can help detect anomalous access patterns that may indicate exploitation attempts. Security patches and updates from SAP should be applied promptly to address the underlying authorization checking mechanisms. Organizations should also consider implementing network segmentation and additional access controls to limit the potential impact of any successful exploitation attempts, while maintaining compliance with industry standards such as those outlined in the NIST Cybersecurity Framework and ISO 27001 security requirements.