CVE-2016-3976
SAP NetWeaver Directory Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 47.25% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · first 21 June 2016
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-22
- Affected
- sap/netweaver application server java
- Source
- cve@mitre.org
EPSS 47.3% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-3976
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Jun/40Exploit, Mailing List, Third Party Advisory
- https://erpscan.io/advisories/erpscan-16-012/Third Party Advisory
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/Third Party Advisory
- https://launchpad.support.sap.com/#/notes/2234971Permissions Required
- https://www.exploit-db.com/exploits/39996/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2016/Jun/40Exploit, Mailing List, Third Party Advisory
- https://erpscan.io/advisories/erpscan-16-012/Third Party Advisory
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/Third Party Advisory
- https://launchpad.support.sap.com/#/notes/2234971Permissions Required
- https://www.exploit-db.com/exploits/39996/Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3976US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.