Missing Authorization in OpenOffice - CVE-2025-64405
Published: November 12, 2025
Vulnerability identifier: #VU118359
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-64405
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
OpenOffice
OpenOffice
Detailed vulnerability description
The vulnerability allows a remote attacker to perform spoofing attacks.
The vulnerability exists due to missing authorization checks in Calc spreadsheet when loading external content. A remote attacker can trick the victim into opening a specially crafted document with DDE links linked to external files and load the content of those frames without prompting the user.
How to mitigate CVE-2025-64405
Install updates from vendor's website.