Description

Due to a missing authorization check in Application Server ABAP of SAP NetWeaver and ABAP Platform, an authenticated attacker could gain unauthorized access to sensitive system configuration information. Successful exploitation could result in exposure of security relevant settings and internal system details, resulting in low impact on confidentiality while integrity and availability remain unaffected.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "4.3",
  "pubDate": "2026-09-08T01:17:55.040Z",
  "pubdate": "2026-09-08T01:17:55.040Z",
  "executiveSummary": "A security vulnerability categorized as an improper authorization flaw has been identified within the Application Server ABAP component of SAP NetWeaver and the ABAP Platform. The vulnerability stems from a failure to enforce adequate access control mechanisms, allowing authenticated users to access sensitive system configuration data that should be restricted.\nThe primary risk associated with this flaw is the unauthorized disclosure of internal system architecture and security-relevant configuration settings. While the impact on confidentiality is classified as low, the exposure of these details provides an attacker with reconnaissance capabilities that could facilitate further targeting of the platform.\nExploitation requires the attacker to possess valid authentication credentials within the target environment. No specific network-level bypass is required, as the vulnerability resides within the application's internal authorization logic. The integrity and availability of the system remain unaffected, as the flaw is limited to a read-only information disclosure vector.",
  "technicalDetails": "The root cause of this vulnerability is a missing authorization check within the SAP NetWeaver and ABAP Platform Application Server ABAP. In standard SAP architecture, specific functional modules and configuration interfaces are protected by authorization objects that validate the user's permissions before granting access to sensitive back-end metadata or system-level configuration parameters.\nDue to the absence of these mandatory checks, the application fails to verify if the requesting authenticated user holds the necessary authorization profile (e.g., S_TABU_DIS or similar basis-related authorization objects) before returning requested data.\nThe attack flow commences when an authenticated user sends a request to the vulnerable interface or function module responsible for retrieving system configuration information. Because the underlying code lacks a call to the authorization checking framework, the Application Server ABAP processes the request and retrieves the requested configuration data from the database or memory structures without validation. The server then returns this sensitive information to the attacker in the response body.\nTechnically, the vulnerability involves the improper implementation of access control checks at the application tier. When the request is routed to the corresponding function module, the process logic proceeds directly to data retrieval rather than performing a preliminary authorization validation. This allows a low-privileged authenticated user to query internal details such as security settings, system environment parameters, and architectural configuration metadata that are typically hidden from non-administrative users.\nThe exploitation does not require advanced network manipulation or privilege escalation exploits. It is an authorization bypass, wherein the security boundary is circumvented simply by interacting with the exposed service. Since the attacker must be authenticated, this vulnerability highlights a breakdown in the Principle of Least Privilege, as the application assumes that any authenticated session is authorized to view system configuration data.\nPost-exploitation impact is limited to information disclosure. The attacker gains internal reconnaissance data, which may reveal versioning information, integrated system paths, or security policy configurations that could be used to refine subsequent attacks. However, as the vulnerability does not involve execution capabilities or system modification, the integrity and availability of the SAP environment remain intact."
}