SAP NetWeaver - Path Traversal (CVE-2017-12637)

CVE-2017-12637 is a directory traversal vulnerability affecting SAP NetWeaver Application Server Java, allowing remote attackers to read arbitrary files through crafted requests.

CrowdSec has been tracking this vulnerability and its exploits since 26th of March 2025.

CrowdSec network observations suggest that most exploitation of CVE-2017-12637 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. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2017-12637 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2017-12637 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 focus on URLs under /scheduler/ui/js/ffffffffbca41eb4/uiutiljavascriptjs containing traversal sequences.