CVE-2023-39217 Denial of service in Zoom SDK's
An unauthenticated attacker can cause a denial of service in applications using the Zoom SDK via network access due to improper input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-39217?
CVE-2023-39217 is a medium-severity denial of service vulnerability in Zoom Meeting Software Development Kit, published on 8 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper input validation in Zoom SDK’s before 5.14.10 may allow an unauthenticated user to enable a denial of service via network access.
Weakness: CWE-80
Which versions are affected by CVE-2023-39217?
It affects 2 products.
Products include Zoom Meeting Software Development Kit, Zoom Video Software Development Kit.
How do I fix CVE-2023-39217?
No fix has been published for CVE-2023-39217 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-39217 being exploited?
There is no known exploitation of CVE-2023-39217 in the wild and no public exploit code.
Other vulnerabilities in Zoom Meeting Software Development Kit
- CVE-2025-49457 Zoom Clients for Windows - Untrusted Search Path
- CVE-2024-24691 Privilege escalation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows
- CVE-2025-30663 Zoom Workplace Apps - Time-of-check Time-of-use
- CVE-2025-0147 Zoom Workplace App for Linux - Type Confusion
- CVE-2023-49647 Zoom Desktop Client for Windows - Improper Access Control
Sources
Also known as GHSA-h45c-25x4-6qq4.