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.

Data from the CrowdSec community indicates that exploitation of CVE-2016-2389 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. In addition, according to the CrowdSec network, attack volume against CVE-2016-2389 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

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