CVE-2017-12637
Published 2017-08-07 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2017-12637 is a high-severity (CVSS 7.5) vulnerability in SAP NetWeaver. CISA added it to the Known Exploited Vulnerabilities catalog on March 19, 2025, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by April 9, 2025. CISA does not currently list it as used in ransomware campaigns. SAP has 14 vulnerabilities in the KEV catalog, 3 of them linked to ransomware.
All 14 known-exploited SAP vulnerabilities →Description
Directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS in SAP NetWeaver Application Server Java 7.5 allows remote attackers to read arbitrary files via a .. (dot dot) in the query string, as exploited in the wild in August 2017, aka SAP Security Note 2486657.
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA Known-Exploited Vulnerability
Product: SAP — NetWeaver
Name: SAP NetWeaver Directory Traversal Vulnerability
Date added: 2025-03-19 · Due: 2025-04-09
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

