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CVE-2016-3976

7.5, high Known exploited

SAP NetWeaver Directory Traversal Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
7.5, high high CVSS v3.1
EPSS, next 30 days
47% higher than 98.8% of scored CVEs
Exploitation
Confirmed in the wild
Published
7 Apr 201610 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 3 Nov 2021. US federal agencies had to remediate by 3 May 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

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.

Details

Vendor
SAP
Product
Netweaver Application Server Java
Weakness
CWE-22 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
cve@mitre.org

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References 7

Exploit code 3

Advisories 2

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other SAP CVEs

Every SAP CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-42999 SAP NetWeaver Deserialization Vulnerability KEV EPSS 13% 9.1, critical
  • CVE-2025-31324 SAP NetWeaver Unrestricted File Upload Vulnerability KEV EPSS 99% 9.8, critical
  • CVE-2022-22536 SAP Multiple Products HTTP Request Smuggling Vulnerability KEV EPSS 98% 10, critical
  • CVE-2021-38163 SAP NetWeaver Unrestricted File Upload Vulnerability KEV EPSS 37% 8.8, high
  • CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Vulnerability KEV EPSS 95% 10, critical
  • CVE-2020-6207 SAP Solution Manager Missing Authentication for Critical Function Vulnerability KEV EPSS 98% 9.8, critical
  • CVE-2019-0344 SAP Commerce Cloud Deserialization of Untrusted Data Vulnerability KEV EPSS 7% 9.8, critical
  • CVE-2018-2380 SAP Customer Relationship Management (CRM) Path Traversal Vulnerability KEV EPSS 29% 6.6, medium

Beyond this page

Is CVE-2016-3976 in your network?

This page tells you how dangerous CVE-2016-3976 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2016-3976 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2016-3976 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 16 Oct 2026, not the live upstream state.