ACTIVELY EXPLOITED
CVE-2016-3976: SAP NetWeaver Directory Traversal Vulnerability
| Vendor | SAP |
|---|---|
| Product | NetWeaver |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Weakness (CWE) | CWE-22 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
SAP NetWeaver Application Server Java Platforms contains a directory traversal vulnerability via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet. This allows remote attackers to read files.
SOURCES
Other SAP flaws
- CVE-2025-42999: SAP NetWeaver Deserialization Vulnerability
- CVE-2025-31324: SAP NetWeaver Unrestricted File Upload Vulnerability
- CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability
- CVE-2019-0344: SAP Commerce Cloud Deserialization of Untrusted Data Vulnerability
- CVE-2022-22536: SAP Multiple Products HTTP Request Smuggling Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.