CVE-2021-33907
CRITICAL
9.8
CVSS Score
Published: September 27, 2021 at 01:55 PM UTC
Updated: June 17, 2026 at 03:55 AM UTC
1 product affected across 1 vendorMeetings
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Severity
CRITICAL9.8
Exploit prediction
EPSS 4%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://explore.zoom.us/en/trust/security/security-bulletin/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-295
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