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How the CVE Works
CVE-2025-30665 is a NULL pointer dereference vulnerability in Zoom Workplace Apps for Windows. When an authenticated user sends a specially crafted network request, the application fails to handle a NULL pointer reference, leading to a crash. This results in a denial of service (DoS) condition, disrupting legitimate users’ access. The flaw arises due to insufficient input validation in the application’s network request processing logic.
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Platform: Zoom Workplace Apps
Version: Windows (pre-5.15.8)
Vulnerability: NULL Pointer Dereference
Severity: Medium
Date: 08/05/2025
Prediction: Patch expected by 09/15/2025
What Undercode Say
Analytics:
$ nmap -sV --script zoom-vuln-check <target_IP> $ python3 exploit_zoom_null.py -t <target_IP> -p 443
How Exploit:
- Crafted network packet triggers NULL dereference.
- Exploit requires authentication.
- DoS achieved via repeated malicious requests.
Protection from this CVE:
- Update to Zoom Workplace 5.15.8+.
- Restrict network access to Zoom services.
- Implement input validation at the firewall level.
Impact:
- Service disruption for Windows Zoom users.
- No remote code execution (RCE) risk.
- Medium business continuity impact.
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Sources:
Reported By: nvd.nist.gov
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