SAP NetWeaver Directory Traversal Vulnerability

Added to KEV
2021-11-03
Federal due date
2022-05-03
Vendor
SAP
Product
NetWeaver
EPSS
99.0th percentile (score 0.763, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2016-3976

CISA short 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.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.