high
7.8
CWE
427 1035
Advisory Published
Updated

CVE-2021-34803

First published: Wed Jun 16 2021(Updated: )

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

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Teamviewer Teamviewer<9.0.259145
Teamviewer Teamviewer>=10.0.2551<10.0.259144
Teamviewer Teamviewer>=11.0.90968<11.0.259143
Teamviewer Teamviewer>=12.0.92876<12.0.259142
Teamviewer Teamviewer>=13.0.5058<13.2.36222
Teamviewer Teamviewer>=14.0.8346<14.2.56678
Teamviewer Teamviewer>=14.3.4730<14.7.48644
Microsoft Windows
VISAM VBASE Pro-RT/ Server-RT (Web Remote)=11.6.0.6

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2021-34803?

    The severity of CVE-2021-34803 is high with a score of 7.8.

  • What is CVE-2021-34803?

    CVE-2021-34803 refers to an issue in TeamViewer before 14.7.48644 on Windows where untrusted DLLs can be loaded in certain situations.

  • Which versions of TeamViewer on Windows are affected by CVE-2021-34803?

    Versions 9.0.259145 to 14.7.48644 of TeamViewer on Windows are affected by CVE-2021-34803.

  • How can I fix CVE-2021-34803?

    To fix CVE-2021-34803, you should update TeamViewer to version 14.7.48644 or later.

  • Where can I find more information about CVE-2021-34803?

    You can find more information about CVE-2021-34803 [here](https://community.teamviewer.com/English/discussion/111147/windows-v9-0-259145), [here](https://community.teamviewer.com/English/discussion/111149/windows-v10-0-259144), and [here](https://community.teamviewer.com/English/discussion/111150/windows-v11-0-259143).

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