CVE-2016-3976
Published 2016-04-07 · Updated 2026-06-17 · Source cve@mitre.org
Summary
CVE-2016-3976 is a high-severity (CVSS 7.5) vulnerability in SAP NetWeaver. CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by May 3, 2022. CISA does not currently list it as used in ransomware campaigns. SAP has 14 vulnerabilities in the KEV catalog, 3 of them linked to ransomware.
All 14 known-exploited SAP vulnerabilities →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 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA Known-Exploited Vulnerability
Product: SAP — NetWeaver
Name: SAP NetWeaver Directory Traversal Vulnerability
Date added: 2021-11-03 · Due: 2022-05-03
Required action: Apply updates per vendor instructions.
References
- http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.html
- http://seclists.org/fulldisclosure/2016/Jun/40
- https://erpscan.io/advisories/erpscan-16-012/
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
- https://launchpad.support.sap.com/#/notes/2234971
- https://www.exploit-db.com/exploits/39996/
- http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.html
- http://seclists.org/fulldisclosure/2016/Jun/40