CVE-2025-25802
📋 TL;DR
SeaCMS v13.3 contains a remote code execution vulnerability in the admin_ip.php component that allows attackers to execute arbitrary code on affected systems. This affects all SeaCMS v13.3 installations with the vulnerable component accessible. Attackers can potentially take full control of the web server.
💻 Affected Systems
- SeaCMS
📦 What is this software?
Seacms by Seacms
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attacker to execute arbitrary commands, install malware, steal data, and pivot to other systems.
Likely Case
Web server compromise leading to website defacement, data theft, and installation of backdoors or cryptocurrency miners.
If Mitigated
Limited impact if proper network segmentation, WAF rules, and access controls prevent exploitation.
🎯 Exploit Status
Exploit requires authentication to admin panel. Public proof-of-concept available on GitHub.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.seacms.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates
2. Apply any available patches
3. Verify admin_ip.php is no longer vulnerable
🔧 Temporary Workarounds
Restrict admin panel access
allLimit access to admin panel to trusted IP addresses only
# Configure web server (Apache example)
# In .htaccess or virtual host config:
<Files "admin_ip.php">
Order deny,allow
Deny from all
Allow from 192.168.1.0/24
</Files>
Remove vulnerable file
linuxDelete or rename the vulnerable admin_ip.php file
rm /path/to/seacms/admin_ip.php
mv /path/to/seacms/admin_ip.php /path/to/seacms/admin_ip.php.bak
🧯 If You Can't Patch
- Implement strict network segmentation to isolate SeaCMS server
- Deploy web application firewall with RCE protection rules
🔍 How to Verify
Check if Vulnerable:
Check if SeaCMS version is 13.3 and admin_ip.php file exists in installation directory
Check Version:
grep -r "SeaCMS" /path/to/seacms/ | grep "version"
Verify Fix Applied:
Verify admin_ip.php file has been removed, renamed, or patched. Test with known exploit to confirm mitigation.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to admin_ip.php
- Suspicious command execution patterns in web logs
- Multiple failed authentication attempts to admin panel
Network Indicators:
- Unusual outbound connections from web server
- Traffic patterns indicating command and control communication
SIEM Query:
source="web_logs" AND (url="*admin_ip.php*" AND (method="POST" OR params="*cmd*" OR params="*system*"))