CVE-2025-54451
📋 TL;DR
This CVE describes a code injection vulnerability in Samsung MagicINFO 9 Server that allows attackers to execute arbitrary code on affected systems. The vulnerability affects all MagicINFO 9 Server installations running versions below 21.1080.0, potentially impacting organizations using Samsung's digital signage management platform.
💻 Affected Systems
- Samsung MagicINFO 9 Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to execute arbitrary code with highest privileges, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Remote code execution leading to unauthorized access, data exfiltration, or deployment of malware on the MagicINFO server.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place, though the vulnerability still presents significant risk.
🎯 Exploit Status
CVSS 9.8 indicates critical severity with low attack complexity and no authentication required, suggesting exploitation is straightforward once details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 21.1080.0 or later
Vendor Advisory: https://security.samsungtv.com/securityUpdates
Restart Required: Yes
Instructions:
1. Download MagicINFO 9 Server version 21.1080.0 or later from Samsung's official portal. 2. Backup current configuration and data. 3. Install the update following Samsung's installation guide. 4. Restart the server to complete the update process.
🔧 Temporary Workarounds
Network Segmentation
allIsolate MagicINFO server from internet and restrict access to trusted management networks only.
Application Firewall Rules
allImplement WAF rules to block suspicious input patterns that could trigger code injection.
🧯 If You Can't Patch
- Immediately isolate the MagicINFO server from all networks except absolutely necessary management connections.
- Implement strict network monitoring and IDS/IPS rules to detect and block exploitation attempts.
🔍 How to Verify
Check if Vulnerable:
Check MagicINFO Server version in the application's About section or system information panel.
Check Version:
Check via MagicINFO Server GUI: Help → About MagicINFO Server
Verify Fix Applied:
Verify the installed version is 21.1080.0 or higher in the MagicINFO Server interface.
📡 Detection & Monitoring
Log Indicators:
- Unusual process creation events
- Suspicious command execution in application logs
- Unexpected network connections from MagicINFO server
Network Indicators:
- Unusual outbound connections from MagicINFO server
- Suspicious payloads in HTTP requests to MagicINFO endpoints
SIEM Query:
source="magicinfo" AND (event_type="process_creation" OR event_type="command_execution") AND severity=high