CVE-2016-3976

SAP NetWeaver Directory Traversal

7.5 HIGHActively exploited (CISA KEV)Public exploitEPSS 47.3%

Published7 Apr 2016
Added to CISA KEV3 Nov 2021
Remediation due3 May 2022

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 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

SAP Netweaver Application Server Java≥ 7.10 ≤ 7.50

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

http://packetstormsecurity.com/files/137528/SAP-NetWeaver-AS-JAVA-7.5-Directory-Traversal.htmlExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2016/Jun/40ExploitMailing ListThird 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.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-3976US Government Resource
https://www.exploit-db.com/exploits/39996/ExploitThird Party AdvisoryVDB Entry

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2016-3976 being actively exploited?

Yes. CVE-2016-3976 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2016-3976?

CVE-2016-3976 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 47.3% probability of exploitation.

Which products are affected by CVE-2016-3976?

Affected products include SAP Netweaver Application Server Java.

How do I fix CVE-2016-3976?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2016-3976 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.