CVE-2023-52094
📋 TL;DR
This vulnerability in Trend Micro Apex One agent allows a local attacker with low-privileged code execution to abuse the updater to delete arbitrary folders, potentially leading to local privilege escalation. It affects installations where the agent is deployed, requiring initial access to the system.
💻 Affected Systems
- Trend Micro Apex One
📦 What is this software?
Apex One by Trendmicro
Apex One by Trendmicro
⚠️ Risk & Real-World Impact
Worst Case
Local privilege escalation enabling full system compromise, data deletion, or persistence mechanisms.
Likely Case
Local privilege escalation allowing attackers to gain higher privileges for further malicious activities.
If Mitigated
Limited impact if proper access controls and patching are in place, reducing escalation opportunities.
🎯 Exploit Status
Exploitation requires local access and low privileges, making it feasible for internal threats.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version.
Vendor Advisory: https://success.trendmicro.com/dcx/s/solution/000296151?language=en_US
Restart Required: Yes
Instructions:
1. Access Trend Micro Apex One management console. 2. Check for updates in the agent settings. 3. Apply the latest patch as per vendor instructions. 4. Restart affected systems to ensure changes take effect.
🔧 Temporary Workarounds
Restrict Local Access
allLimit user privileges and enforce least privilege principles to reduce attack surface.
🧯 If You Can't Patch
- Monitor for suspicious folder deletion activities and implement strict access controls.
- Isolate affected systems from critical networks and apply network segmentation.
🔍 How to Verify
Check if Vulnerable:
Check agent version in Trend Micro Apex One console and compare with patched versions from vendor advisory.Check Version:
On Windows: Check agent version via Trend Micro Apex One interface or system logs.Verify Fix Applied:
Verify agent version is updated to patched version and test for vulnerability via controlled environment if possible.📡 Detection & Monitoring
Log Indicators:
- Unexpected folder deletion events in system or application logs.
- Anomalous updater process activities.
Network Indicators:
- No direct network indicators as it's a local exploit.
SIEM Query:
Example: Event logs showing 'delete' operations from Trend Micro agent processes outside normal updates.