CVE-2025-69415
📋 TL;DR
This vulnerability in Plex Media Server allows attackers to access account information using device tokens even after devices have been disassociated from accounts. It affects all Plex Media Server users running vulnerable versions, potentially exposing sensitive account data.
💻 Affected Systems
- Plex Media Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access and potentially modify account information, change settings, or gain unauthorized access to media libraries and personal data.
Likely Case
Unauthorized access to account details and configuration settings, potentially leading to privacy violations.
If Mitigated
Limited impact with proper network segmentation and access controls, though account information exposure remains possible.
🎯 Exploit Status
Exploitation requires a valid device token but not current account association, making it relatively straightforward for attackers with previously obtained tokens.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.42.2.10156
Vendor Advisory: https://forums.plex.tv/t/security-update-plex-media-server/
Restart Required: Yes
Instructions:
1. Open Plex Media Server settings. 2. Navigate to General settings. 3. Click 'Check for Updates' and install the latest version. 4. Restart the Plex Media Server service.
🔧 Temporary Workarounds
Disable Remote Access
allPrevents external exploitation by disabling remote access to Plex Media Server
In Plex Web UI: Settings > Remote Access > Disable Remote Access
Network Segmentation
allRestrict Plex server to internal network only using firewall rules
sudo ufw deny from any to any port 32400
Windows Firewall: Block inbound port 32400
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Plex server
- Regularly rotate device tokens and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check Plex Media Server version in Settings > General > Version. If version is 1.42.2.10156 or earlier, you are vulnerable.Check Version:
On Linux: cat /usr/lib/plexmediaserver/version | On Windows: Check Plex settings in web UIVerify Fix Applied:
Verify version is greater than 1.42.2.10156 and test that device tokens from disassociated devices no longer grant access to /myplex/account endpoint.📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to /myplex/account endpoint
- Access attempts using device tokens from previously associated devices
Network Indicators:
- HTTP requests to /myplex/account with device tokens
- Unusual traffic patterns to Plex server port 32400
SIEM Query:
source="plex.log" AND (uri="/myplex/account" OR uri="/myplex/*") AND status=200