CVE-2024-39753
📋 TL;DR
This is an SQL injection vulnerability in Trend Micro Apex One's modOSCE component that allows remote attackers to execute arbitrary code on affected systems. Attackers need low-privileged code execution access first to exploit it. Organizations running vulnerable versions of Apex One are affected.
💻 Affected Systems
- Trend Micro Apex One
📦 What is this software?
Apex One by Trendmicro
Apex One by Trendmicro
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to data theft, ransomware deployment, or complete control of the security management system
Likely Case
Privilege escalation from low-privileged user to system administrator, enabling further lateral movement and persistence
If Mitigated
Limited impact due to proper network segmentation, least privilege access, and intrusion detection systems
🎯 Exploit Status
Exploitation requires initial low-privileged access, making it a two-stage attack. ZDI advisory suggests active exploitation is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references, but Trend Micro has released patches
Vendor Advisory: https://success.trendmicro.com/en-US/solution/ka-0016669
Restart Required: Yes
Instructions:
1. Log into Trend Micro Apex One console. 2. Navigate to Updates section. 3. Apply latest security patches. 4. Restart Apex One services as required.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Apex One servers from general network access and restrict to management interfaces only
Principle of Least Privilege
windowsEnsure no users have unnecessary administrative privileges on Apex One systems
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach Apex One management interfaces
- Deploy web application firewall (WAF) with SQL injection rules in front of Apex One
🔍 How to Verify
Check if Vulnerable:
Check Apex One version against Trend Micro's advisory and verify if patches have been appliedCheck Version:
Check Apex One console > About or System Information for version detailsVerify Fix Applied:
Confirm patch installation through Apex One console and verify version is updated📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in Apex One logs
- Unexpected process execution from Apex One services
- Authentication anomalies
Network Indicators:
- SQL injection patterns in traffic to Apex One servers
- Unexpected outbound connections from Apex One systems
SIEM Query:
source="apex_one" AND (sql_injection OR "modOSCE" OR suspicious_query)