CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability

Vulnerability summary

CVE-2017-12637 is a high (CVSS 7.5) Path Traversal vulnerability in SAP NetWeaver. It is known to be exploited: CISA lists it, first on 19-03-2025. EPSS estimates a 95.11% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities.

Timeline

1. 07-08-2017
   PublishedVulnerability first disclosed.
2. 19-03-2025
   Added to CISA KEVExploitedSAP NetWeaver Directory Traversal Vulnerability
3. 09-04-2025
   CISA remediation dueDeadline passedApply mitigations per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

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.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.