CVE-2016-4047: open-xchange open-xchange_appsuite
Vulnerability summary
CVE-2016-4047 is a medium (CVSS 4.3) vulnerability in open-xchange open-xchange_appsuite. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities.
Timeline
- 15-12-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.82%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.82% on 22-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-611Improper Restriction of XML External Entity ReferenceThe product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
Affected systems
Open-xchange1 product
- open-xchange_appsuite≤ 7.8.1
1 vendor · 1 product