CVE-2025-22918
📋 TL;DR
Polycom RealPresence Group 500 video conferencing systems running firmware version 20 or earlier have insecure permissions that automatically load cookies, allowing attackers to access administrator functions. This vulnerability can lead to exposure of sensitive user information. Organizations using these systems for video conferencing are affected.
💻 Affected Systems
- Polycom RealPresence Group 500
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full administrative takeover of the video conferencing system, enabling attackers to access all user data, modify system configurations, disrupt meetings, and potentially pivot to internal networks.
Likely Case
Unauthorized access to sensitive user information including credentials, meeting details, and contact information, potentially leading to data breaches and privacy violations.
If Mitigated
Limited impact with proper network segmentation and access controls, though some information leakage may still occur.
🎯 Exploit Status
Exploitation requires access to the system's web interface and knowledge of cookie manipulation techniques. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 21 or later
Vendor Advisory: https://support.polycom.com/
Restart Required: Yes
Instructions:
1. Log into the Polycom support portal. 2. Download firmware version 21 or later. 3. Upload the firmware to the RealPresence Group 500 system via the web interface. 4. Apply the update and restart the system.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Polycom systems from untrusted networks and restrict access to authorized users only.
Access Control Lists
allImplement strict firewall rules to limit access to the Polycom web interface.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Polycom systems from untrusted networks
- Monitor system logs for unauthorized access attempts and cookie manipulation activities
🔍 How to Verify
Check if Vulnerable:
Access the Polycom web interface, navigate to System > Information, and check the firmware version. If version is 20 or lower, the system is vulnerable.Check Version:
No CLI command available. Check via web interface at System > Information.Verify Fix Applied:
After updating, verify the firmware version shows 21 or higher in the System > Information page.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful administrative access
- Unusual cookie manipulation in web server logs
- Administrative functions accessed from unexpected IP addresses
Network Indicators:
- Unusual HTTP requests to administrative endpoints
- Cookie manipulation in HTTP headers
- Traffic patterns indicating enumeration of administrative functions
SIEM Query:
source="polycom_logs" AND (event_type="admin_access" OR cookie_manipulation="true")