CVE-2025-58133
📋 TL;DR
An authentication bypass vulnerability in Zoom Rooms Clients allows unauthenticated attackers to access sensitive information via network access. This affects organizations using Zoom Rooms software for conference room systems. The vulnerability enables unauthorized disclosure of potentially confidential data.
💻 Affected Systems
- Zoom Rooms Clients
📦 What is this software?
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
⚠️ Risk & Real-World Impact
Worst Case
Unauthenticated attacker gains access to sensitive meeting information, participant data, or room configuration details from exposed Zoom Rooms systems.
Likely Case
Information disclosure of room status, meeting details, or configuration data that could facilitate further attacks or reconnaissance.
If Mitigated
Limited exposure due to network segmentation and proper access controls preventing external access to Zoom Rooms systems.
🎯 Exploit Status
The vulnerability requires network access but no authentication, making it accessible to any attacker who can reach the vulnerable system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.5.1 and later
Vendor Advisory: https://www.zoom.com/en/trust/security-bulletin/zsb-25039
Restart Required: No
Instructions:
1. Open Zoom Rooms Controller or Zoom Rooms Appliance web interface. 2. Navigate to Settings > Check for Updates. 3. Install version 6.5.1 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Zoom Rooms systems from untrusted networks to prevent external access.
Access Control Lists
allImplement firewall rules to restrict access to Zoom Rooms systems to authorized IP addresses only.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Zoom Rooms from untrusted networks
- Deploy network monitoring and intrusion detection for anomalous access attempts to Zoom Rooms systems
🔍 How to Verify
Check if Vulnerable:
Check Zoom Rooms version via controller interface or web portal. Versions below 6.5.1 are vulnerable.Check Version:
On Zoom Rooms controller: Settings > About > VersionVerify Fix Applied:
Confirm Zoom Rooms version is 6.5.1 or higher in Settings > About or via web interface.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to Zoom Rooms API endpoints
- Unusual information requests from unauthorized IP addresses
Network Indicators:
- Unusual traffic patterns to Zoom Rooms systems from external sources
- Information disclosure attempts via network protocols
SIEM Query:
source="zoom-rooms" AND (event_type="authentication_failure" OR event_type="unauthorized_access")