Description

SAP S/4HANA Finance (Advanced Payment Management) does not perform sufficient Cross-Site Request Forgery protection on certain requests, due to this an attacker with low privileges could craft a malicious link or page. If an authenticated victim interacts with it, unintended actions could be triggered on the web server on their behalf. This results in a low impact on confidentiality and integrity. There is no impact on availability.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "3.5",
  "pubDate": "2026-09-08T01:17:54.680Z",
  "pubdate": "2026-09-08T01:17:54.680Z",
  "executiveSummary": "SAP S/4HANA Finance (Advanced Payment Management) contains a Cross-Site Request Forgery (CSRF) vulnerability resulting from insufficient request validation.\nThe vulnerability enables an attacker with low privileges to force an authenticated victim to execute unintended actions within the application.\nSuccessful exploitation compromises the confidentiality and integrity of the affected session, though availability remains unaffected.\nThe risk primarily stems from the application's failure to enforce robust CSRF tokens or equivalent state-changing request verification mechanisms.\nExploitation requires the victim to be authenticated and interact with a maliciously crafted link or webpage, typically delivered via social engineering.\nWhile the impact is categorized as low, unauthorized state-changing actions in a financial management context can lead to unintended business logic execution.",
  "technicalDetails": "The vulnerability resides in the Advanced Payment Management component of SAP S/4HANA Finance. It stems from the absence of sufficient Cross-Site Request Forgery (CSRF) protection mechanisms for specific web-based requests.\nCSRF is an attack vector that forces an authenticated user to execute unwanted actions on a web application in which they are currently authenticated. Because the browser automatically includes ambient credentials, such as session cookies or IP-based authorization tokens, with every request sent to the target domain, the application cannot differentiate between a legitimate user-initiated action and an attacker-initiated forged request.\nIn this specific instance, the application fails to validate the origin of requests or incorporate cryptographically secure anti-CSRF tokens into state-changing operations. Consequently, the application processes requests as legitimate provided the victim maintains an active session.\nThe attack flow proceeds as follows: 1. An attacker identifies a state-changing URL or endpoint within the Advanced Payment Management module. 2. The attacker crafts a malicious payload, typically embedded within an HTML document or a URL, designed to trigger the identified endpoint. 3. This payload is delivered to an authenticated victim through social engineering techniques, such as a phishing email or a malicious website. 4. Upon the victim clicking the link or loading the malicious page while their session is active, the browser performs a cross-origin request to the SAP application. 5. The server, lacking sufficient validation of the request's origin, treats the request as a legitimate command from the user and executes the intended function.\nThe scope of the impact is constrained to the victim's session. Since the attacker acts on the victim's behalf, they inherit the privileges assigned to that user. The integrity of the application data is impacted by unauthorized modifications, and confidentiality may be partially impacted if the triggered action leads to unauthorized data access or disclosure. As no impact on availability is noted, the flaw does not facilitate Denial of Service (DoS) attacks.\nThis vulnerability highlights a critical failure in the application's security architecture regarding input and request validation, specifically the lack of standard CSRF mitigation controls such as synchronization tokens or SameSite cookie attributes."
}