CVE-2021-34408
7.8 · HIGHOverview
CVE-2021-34408 is a high-severity vulnerability affecting zoom meetings. It was published on September 27, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
The Zoom Client for Meetings for Windows in all versions before version 5.3.2 writes log files to a user writable directory as a privileged user during the installation or update of the client. This could allow for potential privilege escalation if a link was created between the user writable directory used and a non-user writable directory.
Remediation
Check the references section for vendor advisories and patches from zoom. Update meetings to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| zoom | meetings | >= 0, < 5.3.2 | Affected |
Frequently Asked Questions
What is CVE-2021-34408?
CVE-2021-34408 is a high-severity vulnerability affecting zoom meetings. It was published on September 27, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-34408?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-34408?
Check the references section for vendor advisories and patches from zoom. Update meetings to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-34408?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-34408 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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