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CVE-2025-64407

Apache OpenOffice: URL fetching can be used to exfiltrate arbitrary INI file values and environment variables

Published: Nov 12, 2025Updated: Nov 13, 2025 Sources: CVE List NVD BDUCWE-201
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.4%
Top 68.6%
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. Such links could also be used to transmit system information, such as environment variables or configuration settings. In the affected versions of Apache OpenOffice, documents that used a certain URI scheme linking to external files would load the contents of such files without prompting the user for permission to do so. Such URI scheme allows to include system configuration data, that is not supposed to be transmitted externally. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue. The LibreOffice suite reported this issue as CVE-2024-12426.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-201CWE-862

Affected Products

OpenOfficeApache Software Foundation
On-premDesktop App
Consumer Software / productivity
Apache 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://lists.apache.org/thread/4yg1gv71f14fw4ky4ds50o6xjq49594g
lists.apache.org
https://www.openoffice.org/security/cves/CVE-2025-64407.html
openoffice.org
https://lists.apache.org/thread/4yg1gv71f14fw4ky4ds50o6xjq49594g
lists.apache.org

Timeline

Published
Nov 12, 2025
Last Updated
Nov 13, 2025

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