Vulnerability · Published Nov 12, 2025 · Assigned by apache

CVE-2025-64405Apache OpenOffice: Remote documents loaded without prompt via DDE function

High 7.5

In plain English

A high-severity missing authorization in Apache OpenOffice from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.4%top 26.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Apache Software Foundation	Apache OpenOffice	0 – through 4.1.15

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

https://www.openoffice.org/security/cves/CVE-2025-64405.html vendor-advisory
https://lists.apache.org/thread/0jjftxkcc4l9kt7jjn630hfrh2ygfcbk vendor-advisory
http://www.openwall.com/lists/oss-security/2025/11/11/8