20 290
Advisory Published


First published: Fri Nov 30 2018(Updated: )

Zoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0915 and below) are vulnerable to unauthorized message processing. A remote unauthenticated attacker can spoof UDP messages from a meeting attendee or Zoom server in order to invoke functionality in the target client. This allows the attacker to remove attendees from meetings, spoof messages from users, or hijack shared screens.


Affected SoftwareAffected VersionHow to fix
Zoom Zoom<=2.4.129780.0915
Zoom Zoom<4.1.34801.1116
Zoom Zoom<4.1.34814.1119

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2018-15715?

    CVE-2018-15715 is a vulnerability found in Zoom clients on Windows, Mac OS, and Linux that allows a remote attacker to spoof UDP messages from a meeting attendee or Zoom server.

  • Which versions of Zoom are affected by CVE-2018-15715?

    Zoom clients on Windows before version 4.1.34814.1119, Mac OS before version 4.1.34801.1116, and Linux 2.4.129780.0915 and below are affected by CVE-2018-15715.

  • What is the severity of CVE-2018-15715?

    CVE-2018-15715 has a severity rating of 9.8 (Critical).

  • How can I fix CVE-2018-15715?

    To fix CVE-2018-15715, users should update their Zoom client to the latest version available for their operating system.

  • Where can I find more information about CVE-2018-15715?

    More information about CVE-2018-15715 can be found at the following link:


SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203