CVE-2016-3976Directory 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 CrashFileDownload…
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It affects sap netweaver_application_server_java. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022. Treat that date as your deadline.
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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
- 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 47.25% (percentile 99)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
sap netweaver_application_server_java sap:netweaver_application_server_java | from 7.10 through 7.50 | NVD |
References
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/x-refsource-misc, third-party-advisory
- http://seclists.org/fulldisclosure/2016/Jun/40mailing-list, x-refsource-fulldisc, exploit, third-party-advisory
- http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://erpscan.io/advisories/erpscan-16-012/x-refsource-misc, third-party-advisory
- https://www.exploit-db.com/exploits/39996/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://launchpad.support.sap.com/#/notes/2234971x-refsource-misc, permissions-required
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3976us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.