CVE-2025-0149
📋 TL;DR
This vulnerability in Zoom Workplace Apps allows unprivileged users to cause denial of service attacks by exploiting insufficient data authenticity verification. Attackers can disrupt Zoom services via network access without requiring authentication. All users running vulnerable versions of Zoom Workplace Apps are affected.
💻 Affected Systems
- Zoom Workplace Apps
📦 What is this software?
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
Rooms by Zoom
⚠️ Risk & Real-World Impact
Worst Case
Complete disruption of Zoom Workplace services, rendering communication and collaboration tools unavailable for extended periods across an organization.
Likely Case
Temporary service degradation or intermittent outages affecting specific Zoom Workplace features or user sessions.
If Mitigated
Minimal impact with proper network segmentation and monitoring, potentially causing brief service interruptions that are quickly detected and contained.
🎯 Exploit Status
Exploitation requires network access but no authentication, making it accessible to unprivileged users
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Zoom advisory ZSB-25008 for specific patched versions
Vendor Advisory: https://www.zoom.com/en/trust/security-bulletin/zsb-25008/
Restart Required: Yes
Instructions:
1. Visit Zoom advisory ZSB-25008. 2. Identify affected versions. 3. Update Zoom Workplace Apps to latest version. 4. Restart applications. 5. Verify update completion.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Zoom Workplace Apps to trusted networks only
Rate Limiting
allImplement network rate limiting to reduce impact of DoS attempts
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Deploy additional monitoring and alerting for unusual Zoom traffic patterns
🔍 How to Verify
Check if Vulnerable:
Check Zoom Workplace App version against affected versions listed in ZSB-25008 advisoryCheck Version:
In Zoom app: Settings > About > VersionVerify Fix Applied:
Confirm Zoom Workplace App version is updated beyond affected versions listed in advisory📡 Detection & Monitoring
Log Indicators:
- Unusual spike in Zoom network traffic
- Multiple failed connection attempts
- Service interruption logs
Network Indicators:
- Abnormal Zoom protocol traffic patterns
- High volume of requests from single sources
SIEM Query:
source="zoom" AND (event_type="connection_error" OR bytes_out>threshold) | stats count by src_ip