CVE-2021-34412 Privilege escalation in Zoom Client for Meetings for Windows
Local attackers can escalate privileges by launching Internet Explorer during installation if the installer runs with elevated privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-34412?
CVE-2021-34412 is a high-severity vulnerability in Zoom Client for Meetings for Windows, published on 27 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-269
Which versions are affected by CVE-2021-34412?
It affects 1 product.
Products include Zoom Meetings.
How do I fix CVE-2021-34412?
No fix has been published for CVE-2021-34412 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34412 being exploited?
There is no known exploitation of CVE-2021-34412 in the wild and no public exploit code.
Other vulnerabilities in Zoom Client for Meetings for Windows
- CVE-2021-33907 Code injection in Zoom Client for Meetings for Windows
- CVE-2022-28768 Local Privilege Escalation in Zoom Client Installer for macOS
- CVE-2022-28763 Improper URL parsing in Zoom Clients
- CVE-2022-28757 Local Privilege Escalation in Auto Updater for Zoom Client for Meetings for macOS
- CVE-2022-28751 Local Privilege Escalation in Zoom Client for Meetings for MacOS
Sources
Also known as GHSA-hv75-x87g-889h.