Vulnerability Description
The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor installing malicious software on a customer’s computer.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zoom | Zoom Client For Meetings | < 5.4.4 |
Related Weaknesses (CWE)
References
- https://explore.zoom.us/en/trust/security/security-bulletinVendor Advisory
- https://medium.com/manomano-tech/a-red-team-operation-leveraging-a-zero-day-vulnThird Party Advisory
- https://explore.zoom.us/en/trust/security/security-bulletinVendor Advisory
- https://medium.com/manomano-tech/a-red-team-operation-leveraging-a-zero-day-vulnThird Party Advisory
FAQ
What is CVE-2021-34420?
CVE-2021-34420 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The Zoom Client for Meetings for Windows installer before version 5.5.4 does not properly verify the signature of files with .msi, .ps1, and .bat extensions. This could lead to a malicious actor insta...
How severe is CVE-2021-34420?
CVE-2021-34420 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34420?
Check the references section above for vendor advisories and patch information. Affected products include: Zoom Zoom Client For Meetings.