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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (55.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securitytracker.com/id/1036157 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/archive/1/538732/100/0/threaded (mailing-list)
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.