CVE-2025-64403

HIGH

Apache OpenOffice <= 4.1.15 - Missing Authorization for External Data Source Links

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Mailing List, Vendor Advisory vendor-advisory
https://lists.apache.org/thread/t7c6jhvdb00xtgd9vvn7h5sq9f4h5trt
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2025/11/11/6

Scores

CVSS v3 8.1
EPSS 0.0001
EPSS Percentile 1.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-862
Status published
Products (1)
apache/openoffice < 4.1.16
Published Nov 12, 2025
Tracked Since Feb 18, 2026