SAP Netweaver Java AS 7.4 CrashFileDownloadServlet path traversal

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in SAP Netweaver Java AS 7.4. The impacted element is an unknown function of the component CrashFileDownloadServlet. This manipulation causes path traversal. This vulnerability is registered as CVE-2016-3976. Remote exploitation of the attack is possible. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in SAP Netweaver Java AS 7.4 (Solution Stack Software) and classified as critical. Affected by this vulnerability is an unknown code of the component CrashFileDownloadServlet. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. 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. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

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.

The weakness was published 04/07/2016 as 2234971 as confirmed security note (Website). It is possible to read the advisory at erpscan.com. This vulnerability is known as CVE-2016-3976 since 04/07/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $5k-$25k. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 11/03/2021 with a due date of 05/03/2022:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (39996), SecurityFocus (BID 85946†) and Vulnerability Center (SBV-58073†). Similar entries are available at VDB-81714, VDB-81713 and VDB-81712. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 801767
OpenVAS Name: SAP NetWeaver Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

03/08/2016 🔍
04/07/2016 +29 days 🔍
04/07/2016 +0 days 🔍
04/07/2016 +0 days 🔍
04/07/2016 +0 days 🔍
04/08/2016 +1 days 🔍
04/12/2016 +4 days 🔍
04/23/2026 +3662 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: 2234971
Status: Confirmed

CVE: CVE-2016-3976 (🔍)
GCVE (CVE): GCVE-0-2016-3976
GCVE (VulDB): GCVE-100-81715
SecurityFocus: 85946 - SAP NetWeaver CVE-2016-3976 Directory Traversal Vulnerability
Vulnerability Center: 58073 - SAP NetWeaver 7.4 Remote File System Read Vulnerability, Medium

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 04/08/2016 10:45
Updated: 04/23/2026 00:47
Changes: 04/08/2016 10:45 (63), 02/04/2019 12:03 (14), 04/19/2024 06:42 (29), 09/09/2024 22:29 (1), 01/22/2025 20:36 (1), 02/04/2025 23:57 (9), 04/23/2026 00:47 (10)
Complete: 🔍
Cache ID: 216::103

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