CVE-2024-45424
📋 TL;DR
A business logic error in certain Zoom Workplace applications allows unauthenticated attackers to access sensitive information via network access. This affects organizations using vulnerable Zoom Workplace apps, potentially exposing internal data to external parties.
💻 Affected Systems
- Zoom Workplace Apps
📦 What is this software?
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attackers could access sensitive business information, internal communications, or proprietary data stored within Zoom Workplace applications.
Likely Case
Information disclosure of non-critical data such as user directories, meeting metadata, or configuration details.
If Mitigated
Limited exposure with proper network segmentation and access controls in place.
🎯 Exploit Status
Exploitation requires network access but no authentication, making it relatively straightforward for attackers with network visibility.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Zoom security bulletin ZSB-24036 for specific patched versions
Vendor Advisory: https://www.zoom.com/en/trust/security-bulletin/zsb-24036/
Restart Required: Yes
Instructions:
1. Review Zoom security bulletin ZSB-24036. 2. Update all Zoom Workplace applications to the latest patched version. 3. Restart applications after update. 4. Verify update completion.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Zoom Workplace applications using firewalls or network policies
Access Control Lists
allImplement strict ACLs to limit which IP addresses can communicate with Zoom Workplace applications
🧯 If You Can't Patch
- Implement network segmentation to isolate Zoom Workplace applications from untrusted networks
- Deploy web application firewalls (WAF) with rules to detect and block information disclosure attempts
🔍 How to Verify
Check if Vulnerable:
Check Zoom application version against patched versions listed in ZSB-24036 security bulletinCheck Version:
Zoom desktop: Help > About; Zoom mobile: Settings > AboutVerify Fix Applied:
Confirm Zoom Workplace applications are updated to versions specified in Zoom's security bulletin📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to Zoom Workplace applications
- Multiple failed authentication attempts followed by successful unauthenticated requests
Network Indicators:
- Unusual traffic to Zoom application ports from unexpected sources
- Information disclosure patterns in network traffic
SIEM Query:
source="zoom*" AND (event_type="access" OR event_type="request") AND auth_status="unauthenticated" AND result="success"