Meetings

Insufficient control flow management in some Zoom clients may allow an authenticated user to conduct an information disclosure via network access.

Published: 2023-11-14T23:11:18.161Z
Updated: 2024-09-20T14:58:08.976Z

Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access.

Published: 2023-11-14T23:12:32.799Z
Updated: 2024-09-19T13:52:36.217Z

Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

Published: 2023-11-14T23:02:41.332Z
Updated: 2024-08-29T15:45:07.488Z

Improper conditions check in Zoom Team Chat for Zoom clients may allow an authenticated user to conduct a denial of service via network access.

Published: 2023-11-14T22:32:18.711Z
Updated: 2024-08-29T15:20:19.803Z

Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.

Published: 2023-11-14T22:28:44.622Z
Updated: 2024-08-29T15:20:45.432Z

Cryptographic issues with In-Meeting Chat for some Zoom clients may allow a privileged user to conduct an information disclosure via network access.

Published: 2023-11-14T23:06:21.805Z
Updated: 2024-09-19T13:50:58.529Z

Zoom Client for IT Admin Windows installers before version 5.13.5 contain a local privilege escalation vulnerability. A local low-privileged user could exploit this vulnerability in an attack chain during the installation process to escalate their privileges to the SYSTEM user.

Published: 2023-03-16T00:00:00.000Z
Updated: 2025-02-26T20:05:20.982Z

Windows 32-bit versions of the Zoom Client for Meetings before 5.12.6 and Zoom Rooms for Conference Room before version 5.12.6 are susceptible to a DLL injection vulnerability. A local low-privileged user could exploit this vulnerability to run arbitrary code in the context of the Zoom client.

Published: 2022-11-17T22:36:56.734Z
Updated: 2025-04-29T19:37:26.893Z

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.6 is susceptible to a local information exposure vulnerability. A failure to clear data from a local SQL database after a meeting ends and the usage of an insufficiently secure per-device key encrypting that database results in a local malicious user being able to obtain meeting information such as in-meeting chat for the previous meeting attended from that local user account.

Published: 2022-11-14T20:17:59.455Z
Updated: 2025-04-29T19:19:29.673Z

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.12.2 is susceptible to a URL parsing vulnerability. If a malicious Zoom meeting URL is opened, the malicious link may direct the user to connect to an arbitrary network address, leading to additional attacks including session takeovers.

Published: 2022-10-31T19:49:29.955Z
Updated: 2025-05-02T17:53:09.804Z

The Zoom Opener installer is downloaded by a user from the Launch meeting page, when attempting to join a meeting without having the Zoom Meeting Client installed. The Zoom Opener installer for Zoom Client for Meetings before version 5.10.3 and Zoom Rooms for Conference Room for Windows before version 5.10.3 are susceptible to a DLL injection attack. This vulnerability could be used to run arbitrary code on the victims host.

Published: 2022-06-15T20:12:24.369Z
Updated: 2024-09-16T20:17:33.912Z

The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.

Published: 2022-05-18T16:03:18.179Z
Updated: 2024-09-17T04:14:00.754Z

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

Published: 2022-05-18T15:42:46.414Z
Updated: 2026-06-02T13:47:48.410Z

The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies to Zoom domains. This issue could be used in a more sophisticated attack to send an unsuspecting users Zoom-scoped session cookies to a non-Zoom domain. This could potentially allow for spoofing of a Zoom user.

Published: 2022-05-18T15:42:19.156Z
Updated: 2024-09-17T02:41:15.335Z

The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used in a more sophisticated attack to forge XMPP messages from the server.

Published: 2022-05-18T15:41:50.592Z
Updated: 2024-09-16T17:59:18.129Z

The Zoom Client for Meetings for Windows prior to version 5.9.7, Zoom Rooms for Conference Room for Windows prior to version 5.10.0, Zoom Plugins for Microsoft Outlook for Windows prior to version 5.10.3, and Zoom VDI Windows Meeting Clients prior to version 5.9.6; was susceptible to a local privilege escalation issue during the installer repair operation. A malicious actor could utilize this to potentially delete system level files or folders, causing integrity or availability issues on the user’s host machine.

Published: 2022-04-28T15:00:14.188Z
Updated: 2024-09-17T02:37:08.661Z

The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6, iOS before version 5.9.0, Linux before version 5.8.6, macOS before version 5.7.3, and Windows before version 5.6.3. This could lead to availability issues on the client host by exhausting system resources.

Published: 2022-02-09T22:05:15.893Z
Updated: 2024-09-16T21:04:27.677Z

During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Published: 2021-09-27T13:55:55.000Z
Updated: 2024-08-04T00:12:50.096Z

The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory.

Published: 2021-09-27T13:55:35.000Z
Updated: 2024-08-04T00:12:50.000Z

The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.

Published: 2021-09-27T13:55:30.000Z
Updated: 2024-08-04T00:05:51.703Z