CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability

CVE-2017-12637 · Severity: critical · CVSS 7.5 · Exploited in the wild · Published 2025-03-19

SAP NetWeaver Application Server (AS) Java 7.5 contains a directory traversal vulnerability in the UIUtilJavaScriptJS component. A remote, unauthenticated attacker can read arbitrary files on the server by using dot-dot (..) sequences in the query string.

Technologies: SAP NetWeaver. Vendors: SAP.

Quick answers

Is CVE-2017-12637 exploited in the wild?
Yes. CVE-2017-12637 is known to be exploited in the wild, first recorded on 19 March 2025. Treat it as urgent.
How severe is CVE-2017-12637?
Critical severity, with a CVSS score of 7.5, published 19 March 2025.
Which products and versions are affected?
SAP NetWeaver Application Server Java 7.5.
Is there a fix for CVE-2017-12637?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-12637 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2017-12637?
Check whether you run SAP NetWeaver. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • SAP NetWeaver Application Server Java 7.5

Timeline

  • 2017-08-07: disclosed: Initial NVD publication date
  • 2017-08-07: exploited: Exploitation in the wild reported as early as August 2017
  • 2017-08-28: advisory: SAP Security Note 2486657 referenced
  • 2025-03-19: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.