CVE-2016-4047

Name: CVE-2016-4047
Creator: NVD / NIST
Published: 2016-12-15T06:59:11.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.82%

Last modified Jun 17, 2026

CVE-2016-4047 is a vulnerability of currently unknown severity. An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8. References to external Open XML document type definitions (.dtd resources) can be placed within .docx and .xslx files. EPSS estimates a 0.82% chance of exploitation in the next 30 days.

Description

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev8. References to external Open XML document type definitions (.dtd resources) can be placed within .docx and .xslx files. Those resources were requested when parsing certain parts of the generated document. As a result an attacker can track access to a manipulated document. Usage of a document may get tracked and information about internal infrastructure may get exposed.

Metrics

EPSS Probability

0.82%

52.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Open-Xchange	Open-Xchange Appsuite	<= 7.8.1	Rev7

References

http://www.securityfocus.com/archive/1/538732/100/0/threaded
http://www.securitytracker.com/id/1036157Third Party Advisory, VDB Entry
http://www.securityfocus.com/archive/1/538732/100/0/threaded
http://www.securitytracker.com/id/1036157Third Party Advisory, VDB Entry

Timeline

Published: Dec 15, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-4047?

How severe is CVE-2016-4047?

Severity scoring for CVE-2016-4047 is pending analysis. The EPSS model estimates a 0.82% probability of exploitation in the next 30 days.

How do I fix CVE-2016-4047?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-4047?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST