QID 377595

Date Published: 2022-09-20

QID 377595: Zoom Client for Meetings Local Privilege Escalation Vulnerability (ZSB-21005)

Zoom provides video communications with a cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems.

CVE-2021-34409: It was discovered that the installation packages of the Zoom Client for Meetings for macOS (Standard and for IT Admin) installation before version 5.2.0 copy pre- and post- installation shell scripts to a user-writable directory. In the affected products listed below, a malicious actor with local access to a user's machine could use this flaw to potentially run arbitrary system commands in a higher privileged context during the installation process.

Affected Versions:
Zoom Client for Meetings for macOS before version 5.2.0

QID Detection Logic (Authenticated):
MacOS: This authenticated QID detects vulnerable Zoom Client prior to version 5.2.0

Successful exploitation of this vulnerability could allow an low privileged attacker to escalate to higher privileges.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Customers are advised to upgrade to Zoom Client for Meetings for Windows 5.2.0 or later to remediate these vulnerabilities.

    Vendor References

    CVEs related to QID 377595

    CVE-2021-34409 |
    Software Advisories
    Advisory ID Software Component Link
    ZSB-21005 URL Logo explore.zoom.us/en/trust/security/security-bulletin/
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