# CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability

Source: https://junglewise.ai/threats/cve-2017-12637-sap-netweaver-directory-traversal-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-19. Updated: 2026-05-09  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/netweaver). Vendors: [SAP](https://junglewise.ai/threats/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

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- [SAP NetWeaver ABAP RFC protocol memory corruption](https://junglewise.ai/threats/cve-2026-76966-due-to-improper-rfc-protocol-validation-in-the-sap-kernel-used-by)
- [SAP NetWeaver Internet Graphics Service input validation buffer overflow](https://junglewise.ai/threats/cve-2026-120008-sap-netweaver-internet-graphics-service-does-not-sufficiently)
- [SAP NetWeaver SSRF in ABAP HTTP component](https://junglewise.ai/threats/cve-2026-109811-an-internal-abap-http-component-in-sap-netweaver-and-abap)
- [SAP NetWeaver Internet Graphics Service input validation denial of service](https://junglewise.ai/threats/cve-2026-109807-sap-netweaver-internet-graphics-service-does-not-sufficiently)