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CVE-2025-64405

Apache OpenOffice: Remote documents loaded without prompt via DDE function

Published: Nov 12, 2025Updated: Nov 13, 2025 Sources: CVE List NVD BDUCWE-862
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.3%
Top 33.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Apache OpenOffice documents can contain links. A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause external links to be loaded without prompt. In the affected versions of Apache OpenOffice, Calc spreadsheet containing DDE links to external files would load the contents of those files without prompting the user for permission to do so. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-862

Affected Products

Apache OpenOfficeApache Software Foundation
On-premDesktop App
Consumer Software / productivity
OpenOfficeApache Software Foundation
On-premDesktop App
Consumer Software / productivity
openofficeapache
On-premWeb App
Web & CMS Plugins / cms-core
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
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References

https://www.openoffice.org/security/cves/CVE-2025-64405.html
openoffice.org
https://lists.apache.org/thread/0jjftxkcc4l9kt7jjn630hfrh2ygfcbk
lists.apache.org
https://lists.apache.org/thread/0jjftxkcc4l9kt7jjn630hfrh2ygfcbk
lists.apache.org
and 1 more references View all →

Timeline

Published
Nov 12, 2025
Last Updated
Nov 13, 2025

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