SAP NetWeaver - Path Traversal (CVE-2016-2389)

CVE-2016-2389 is a vulnerability in SAP Manufacturing Integration and Intelligence (xMII) that allows remote attackers to read arbitrary files due to improper validation of input paths in catalog requests, leading to a directory traversal scenario.

CrowdSec has been tracking this vulnerability and its exploits since 23rd of May 2025.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2016-2389 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2016-2389 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2016-2389 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attempts to exploit this vulnerability typically involve requests to URLs containing /xmii/catalog with malicious path traversal sequences.