CVE-2020-11443 Information

Description

The Zoom IT installer for Windows (ZoomInstallerFull.msi) prior to version 4.6.10 deletes files located in APPDATA\Zoom before installing an updated version of the client. Standard users are able to write to this directory and can write links to other directories on the machine. As the installer runs with SYSTEM privileges and follows these links a user can cause the installer to delete files that otherwise cannot be deleted by the user.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Reference

https://support.zoom.us/hc/en-us/articles/201361953-New-Updates-for-Windows https://support.zoom.us/hc/en-us/articles/360043036451 https://support.zoom.us/hc/en-us/articles/360043036451-Security-CVE-2020-11443

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1