8.8
CWE
88 1035
Advisory Published
Updated

CVE-2020-13699

First published: Wed Jul 29 2020(Updated: )

TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI handlers. A malicious website could launch TeamViewer with arbitrary parameters, as demonstrated by a teamviewer10: --play URL. An attacker could force a victim to send an NTLM authentication request and either relay the request or capture the hash for offline password cracking. This affects teamviewer10, teamviewer8, teamviewerapi, tvchat1, tvcontrol1, tvfiletransfer1, tvjoinv8, tvpresent1, tvsendfile1, tvsqcustomer1, tvsqsupport1, tvvideocall1, and tvvpn1. The issue is fixed in 8.0.258861, 9.0.258860, 10.0.258873, 11.0.258870, 12.0.258869, 13.2.36220, 14.2.56676, 14.7.48350, and 15.8.3.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Teamviewer Teamviewer<15.8.3
Microsoft Windows
VISAM VBASE Pro-RT/ Server-RT (Web Remote)=11.6.0.6

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2020-13699?

    CVE-2020-13699 is a vulnerability in TeamViewer Desktop for Windows before 15.8.3 that allows a malicious website to launch TeamViewer with arbitrary parameters.

  • How does CVE-2020-13699 work?

    CVE-2020-13699 leverages the improper quoting of custom URI handlers in TeamViewer Desktop for Windows to execute arbitrary commands when a user visits a malicious website.

  • What is the severity of CVE-2020-13699?

    The severity of CVE-2020-13699 is rated as high with a CVSS score of 8.8.

  • How can CVE-2020-13699 be mitigated?

    To mitigate CVE-2020-13699, update TeamViewer Desktop for Windows to version 15.8.3 or later.

  • Where can I find more information about CVE-2020-13699?

    You can find more information about CVE-2020-13699 in the TeamViewer community announcement and the provided reference links.

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