What is CVE-2016-4047?

CVE-2016-4047 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-12-15.

How severe is CVE-2016-4047?

Medium severity. CVSS v3 base score is 4.3 out of 10.

XXE in Open-Xchange Appsuite

CVE-2016-4047

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.

Vulnerability class: Information Disclosure

EPSS: 0.008 (53.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Open-xchange Open-xchange_appsuite
N/a — versions n/a

Weakness classification (CWE)

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)

Frequently asked questions

What is CVE-2016-4047?: CVE-2016-4047 is a medium-severity vulnerability in Open-Xchange Appsuite, classified under Information Disclosure. CVSS score: 4.3/10. Published 2016-12-15.
How severe is CVE-2016-4047?: Medium severity. CVSS v3 base score is 4.3 out of 10.