CVE-2016-3976
SAP NetWeaver: Directory Traversal
As of , CVE-2016-3976 in SAP NetWeaver is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 3 November 2021
- US federal deadline
- 3 May 2022181 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.47Higher than 98% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- Not availableCISA listed it before 4 February 2022, where the EPSS files we read begin.
- Public exploit
- 1 Exploit-DB entry
- Fix
- No vendor link in CISA's entry
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
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.
CISA's 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.
The CVE record's description, from mitre
- CVE published
- 7 April 2016
- Assigned by
- mitre
- CVSS
- 7.5 High (CVSS 3.1, from CISA-ADP)
- CWE-22
- Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- Exploit-DB published an exploit (EDB-ID 39996).
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Exploit-DB: SAP NetWeaver AS JAVA 7.1 < 7.5 - Directory TraversalEDB-ID 39996, 21 June 2016
NetWeaver: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2020-6287Missing Authentication for Critical Function | SAP NetWeaver | Patch this weekMetasploit module; EPSS 0.95 | 0.95 | ||
| CVE-2025-31324Unrestricted File Upload | SAP NetWeaver | Patch this weekRansomware use; EPSS 0.99 | 0.99 | ||
| CVE-2017-12637Directory Traversal | SAP NetWeaver | Patch this weekEPSS 0.95 | 0.95 | ||
| CVE-2016-2386SQL Injection | SAP NetWeaver | Patch this weekEPSS 0.72 | 0.72 | ||
| CVE-2016-2388Information Disclosure | SAP NetWeaver | Patch this weekEPSS 0.52 | 0.52 | ||
| CVE-2025-42999Deserialization | SAP NetWeaver | Patch this weekRansomware use | 0.14 | ||
| CVE-2021-38163Unrestricted File Upload | SAP NetWeaver | Patch soon | 0.37 | ||
| CVE-2010-5326Remote Code Execution | SAP NetWeaver | Patch soon | 0.18 | ||
| CVE-2016-9563XML External Entity (XXE) | SAP NetWeaver | Patch soon | 0.24 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org