# CVE-2016-3976: SAP NetWeaver Directory Traversal Vulnerability

> CVE-2016-3976: SAP NetWeaver Directory Traversal Vulnerability. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2016-3976
Last updated: 2025-10-21T23:55:54Z

- Published: 2016-04-07 23:00 UTC · Updated: 2025-10-21 23:55 UTC · Assigner: mitre
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 47.3%, 99th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## Description

Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet, aka SAP Security Note 2234971.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- SAP: NetWeaver

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2016-3976)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2016-3976)
- [http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.html](http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.html)
- [http://seclists.org/fulldisclosure/2016/Jun/40](http://seclists.org/fulldisclosure/2016/Jun/40)
- [https://erpscan.io/advisories/erpscan-16-012/](https://erpscan.io/advisories/erpscan-16-012/)
- [https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/](https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/)
- [https://launchpad.support.sap.com/\#/notes/2234971](https://launchpad.support.sap.com/#/notes/2234971)
- [https://www.exploit-db.com/exploits/39996/](https://www.exploit-db.com/exploits/39996/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2016-3976 · Markdown: https://rewindex.com/cve/CVE-2016-3976.md · JSON: https://rewindex.com/api/v1/cves/CVE-2016-3976 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:01:48.312Z