CVE-2025-64403

Apache OpenOffice: Remote documents loaded without prompt via "external data sources" in Calc

Published Nov 12, 2025 CVSS 3.1 · 8.1 High EPSS 1.3% KEV · Not listed
Description
Apache OpenOffice Calc spreadsheet can contain links to other files, in the form of "external data sources". A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause such links
to be loaded without prompt.

This issue affects Apache OpenOffice: through 4.1.15.

Users are recommended to upgrade to version 4.1.16, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Apache
Apache openoffice
Vendors & Products Apache
Apache openoffice
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Apache OpenOffice Calc spreadsheet can contain links to other files, in the form of "external data sources". A missing Authorization vulnerability in Apache OpenOffice allowed an attacker to craft a document that would cause such links to be loaded without prompt. This issue affects Apache OpenOffice: through 4.1.15. Users are recommended to upgrade to version 4.1.16, which fixes the issue.
Title Apache OpenOffice: Remote documents loaded without prompt via "external data sources" in Calc
Weaknesses CWE-862
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Nov 12, 2025, 2:47 PM
Reserved
Nov 2, 2025, 8:38 AM
Status
Analyzed
Published
Nov 12, 2025, 9:15 AM
Modified
Oct 18, 2026, 8:10 PM