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.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2017-12637 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2017-12637 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2017-12637 is currently experiencing high visibility and active exploitation across the internet.

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