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.

CrowdSec network observations suggest that most exploitation of CVE-2016-2389 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2016-2389. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.

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