CVE-2021-33907
moderate-risk
Published 2021-09-27
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.
Do I need to act?
~
3.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (2)
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
44
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
7/34 · Low
Exposure
5/34 · Minimal