CVE-2025-42953 in NetWeaver Application Server for ABAP
Summary
by MITRE • 07/08/2025
SAP Netweaver System Configuration does not perform necessary authorization checks for an authenticated user, resulting in escalation of privileges. This could completely compromise the integrity and availability with no impact on confidentiality of the system.
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Analysis
by VulDB Data Team • 07/11/2025
SAP Netweaver System Configuration presents a critical authorization flaw that allows authenticated users to escalate their privileges without proper validation mechanisms. This vulnerability resides within the system's access control framework where the configuration component fails to enforce necessary authorization checks that should prevent users from accessing restricted functionalities or data. The flaw specifically affects the system's ability to verify user permissions before granting elevated access rights, creating a pathway for privilege escalation that can lead to complete system compromise.
The technical implementation of this vulnerability stems from insufficient authorization validation logic within the Netweaver system configuration interface. When authenticated users attempt to perform administrative functions or access restricted system components, the system does not properly validate their credentials against the established permission model. This authorization bypass allows users to execute operations that should be restricted to administrators or users with specific clearance levels. The vulnerability operates at the application level and affects the system's integrity and availability controls, as unauthorized users can potentially modify critical system configurations or access sensitive administrative functions.
The operational impact of this privilege escalation vulnerability is severe and far-reaching. An attacker who successfully exploits this flaw can gain elevated system privileges that would normally be restricted to authorized administrators. This compromise directly affects the system's integrity by allowing unauthorized modifications to configuration settings, potentially leading to system instability or complete service disruption. The availability aspect is compromised as malicious actors can manipulate system resources or disable critical functions. While confidentiality remains unaffected, the combination of integrity and availability compromise creates a significant risk to overall system security and business continuity operations.
This vulnerability aligns with CWE-285, which addresses insufficient authorization checks in software systems, and maps to ATT&CK technique T1078 for valid accounts and privilege escalation. Organizations should implement immediate mitigations including enforcing strict access controls, conducting comprehensive privilege reviews, and applying SAP security patches as released. Network segmentation and monitoring of administrative access attempts can help detect potential exploitation attempts. Regular security assessments of SAP Netweaver configurations should be performed to identify similar authorization gaps and ensure proper implementation of least privilege principles. The vulnerability highlights the critical importance of maintaining robust authorization controls in enterprise system configurations and underscores the need for continuous security validation of administrative interfaces.