CVE-2025-14856
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on RuoYi systems up to version 4.8.1 through code injection in the /monitor/cache/getnames endpoint. Attackers can exploit this without authentication to gain control of affected systems. Organizations using RuoYi for rapid development frameworks are at risk.
💻 Affected Systems
- y_project RuoYi
📦 What is this software?
Ruoyi by Ruoyi
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install malware, steal sensitive data, pivot to internal networks, and establish persistent backdoors.
Likely Case
Remote code execution leading to web server compromise, data exfiltration, and potential lateral movement within the network.
If Mitigated
Limited impact with proper network segmentation, WAF filtering, and strict access controls preventing exploitation attempts.
🎯 Exploit Status
Public exploit details are available, making this easily weaponizable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Monitor RuoYi GitHub repository for security updates
2. Check for version 4.8.2 or higher when available
3. Apply patches immediately upon release
🔧 Temporary Workarounds
Block vulnerable endpoint
allRestrict access to the /monitor/cache/getnames endpoint using web server configuration or WAF rules
# Apache: RewriteRule ^/monitor/cache/getnames - [F,L]
# Nginx: location ~ ^/monitor/cache/getnames { deny all; }
Network segmentation
allIsolate RuoYi instances from internet and restrict to internal network access only
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Deploy web application firewall with specific rules to block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check RuoYi version in application interface or configuration files. If version is 4.8.1 or lower, system is vulnerable.Check Version:
# Check RuoYi version in typical installation: cat /path/to/ruoyi/version.txt or check web interfaceVerify Fix Applied:
Verify RuoYi version is above 4.8.1 after applying official patch when available.📡 Detection & Monitoring
Log Indicators:
- Unusual requests to /monitor/cache/getnames endpoint
- Suspicious POST/GET parameters containing code fragments
- Unexpected process execution from web server context
Network Indicators:
- HTTP requests to /monitor/cache/getnames with unusual parameters
- Outbound connections from web server to unknown external IPs
SIEM Query:
source="web_server" AND (uri="/monitor/cache/getnames" OR uri LIKE "%/monitor/cache/getnames%") AND (param CONTAINS "exec" OR param CONTAINS "system" OR param CONTAINS "Runtime.getRuntime")