CVE-2021-33907

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.39% Top 15%
Vendor Advisory zoom.us
Affected: n/a Zoom Client for Meetings for Windows
Published at:
Updated at:

References

Link Tags
https://explore.zoom.us/en/trust/security/security-bulletin/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-33907?
CVE-2021-33907 has been scored as a critical severity vulnerability.
How to fix CVE-2021-33907?
To fix CVE-2021-33907, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33907 being actively exploited in the wild?
It is possible that CVE-2021-33907 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33907?
CVE-2021-33907 affects n/a Zoom Client for Meetings for Windows.
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