CVE-2016-3976

KEVSAP NetWeaver Directory Traversal Vulnerability

Description

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.

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.

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

PublishedApr 7, 2016

Last modifiedJun 17, 2026

Added to KEVNov 3, 2021

Remediation dueMay 3, 2022

References

packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.htmlExploitThird Party Advisory
seclists.org/fulldisclosure/2016/Jun/40ExploitMailing List
erpscan.io/advisories/erpscan-16-012/Third Party Advisory
erpscan.io/press-center/blog/sap-security-notes-march-2016-review/Third Party Advisory
launchpad.support.sap.comPermissions Required
exploit-db.com/exploits/39996/ExploitThird Party Advisory
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3976US Government Resource

0 recent articles mention this CVE

Risk assessment · High

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1638 days
CVSS: 7.5 HIGH
EPSS (30-day exploit probability): 47.3% · top 1% of all CVEs
Weakness: CWE-22
Attack vector: Network, remotely reachable
Preconditions: No privileges and no user interaction

Recommended actions

1.Apply updates per vendor instructions.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.