CVE-2025-23186: RFC Credential Exposure in SAP NetWeaver

Successful exploitation of CVE-2025-23186 can lead to a complete compromise of the targeted remote service. By crafting a specific RFC request, an attacker can bypass security controls and obtain credentials that would otherwise be inaccessible. These credentials can then be leveraged to gain unauthorized access, modify data, or disrupt service operations. The potential impact extends beyond the immediate application, as compromised credentials could be used for lateral movement within the SAP environment and potentially to other connected systems. This vulnerability shares similarities with other RFC-based privilege escalation attacks, highlighting the importance of strict access controls and input validation.

1. Reserved2025-01-13
2. Published2025-04-08
3. Modified2026-02-26
4. EPSS updated2026-03-23

The primary mitigation for CVE-2025-23186 is to upgrade to a patched version of SAP NetWeaver Application Server ABAP. Refer to the official SAP security note for the specific fixed version. If immediate patching is not feasible, consider implementing stricter access controls on RFC destinations to limit the potential attack surface. Implement network segmentation to restrict access to RFC services from untrusted networks. Monitor RFC activity for suspicious patterns and unauthorized access attempts. After upgrading, verify the fix by attempting to trigger the vulnerable RFC call with a modified request and confirming that the authentication mechanism remains secure.