CVE-2025-64403 - CVE House

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Status published Unknown CVE-2025-64403

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

0 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Reginaldo Silva of ubercomp.com

References

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Affected Vendor

Apache Software Foundation

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Affected Software

Apache OpenOffice

Vulnerable Versions:

0

Timeline

Official Publish: November 12th, 2025

Last Modified: November 12th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal