Threats / SAP / CVE-2016-3976
CVE-2016-3976
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
SAP NetWeaver vulnerability
SAP NetWeaver Application Server Java contains a directory traversal vulnerability in CrashFileDownloadServlet that allows remote attackers to read arbitrary files via path traversal sequences.
Verdict
Today item — known-exploited.
A path traversal flaw in SAP NetWeaver's crash file download handler enables unauthenticated file disclosure. The high EPSS score and confirmed wild exploitation indicate active abuse risk. Affected organizations should prioritize patching to prevent unauthorized access to sensitive application and
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
3 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.46605 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: SAP, NetWeaver. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-22 Path Traversal — weakness family: Path traversal / file.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a request to CrashFileDownloadServlet with ..\ sequences in the fileName parameter to escape the intended directory.
Business
Confidential application data, configuration files, and system information become accessible to external threat actors without authentication.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I retrieve sensitive files such as credentials, keys, or database connection strings stored on the NetWeaver server.
Business
Compromised credentials enable lateral movement and escalation, potentially leading to broader infrastructure compromise and data breach.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05