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. CrowdSec data also reveals a clear uptick in attacks involving CVE-2017-12637 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

Attempts to exploit this vulnerability typically focus on URLs under /scheduler/ui/js/ffffffffbca41eb4/uiutiljavascriptjs containing traversal sequences.