CVE-2024-4843
📋 TL;DR
This vulnerability in McAfee ePolicy Orchestrator (ePO) allows authenticated users with regular privileges to delete client tasks and assignments through insecure direct object references. This enables privilege escalation by manipulating system tasks. Organizations using affected ePO versions are impacted.
💻 Affected Systems
- McAfee ePolicy Orchestrator
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
A malicious insider could delete critical security tasks, disable endpoint protection, and potentially gain administrative control over the ePO management system.
Likely Case
Privileged users could delete or modify security tasks assigned to endpoints, disrupting security operations and potentially allowing malware to go undetected.
If Mitigated
With proper access controls and monitoring, impact is limited to task manipulation without full system compromise.
🎯 Exploit Status
Requires authenticated access but exploitation is straightforward through the web interface.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ePO 5.10.0 Update 16
Vendor Advisory: https://thrive.trellix.com/s/article/000013505
Restart Required: Yes
Instructions:
1. Download ePO 5.10.0 Update 16 from McAfee support portal. 2. Backup ePO database and configuration. 3. Run the update installer. 4. Restart ePO services.
🔧 Temporary Workarounds
Restrict User Permissions
allReview and limit user permissions to only necessary functions, removing task management capabilities from regular users.
Enhanced Monitoring
allImplement logging and alerting for task deletion/modification events in ePO.
🧯 If You Can't Patch
- Implement strict access controls and least privilege principles for all ePO users
- Enable detailed auditing of task management activities and review logs regularly
🔍 How to Verify
Check if Vulnerable:
Check ePO version in Admin > Server Settings > About. If version is earlier than 5.10.0 Update 16, system is vulnerable.
Check Version:
Check via ePO web interface: Admin > Server Settings > About
Verify Fix Applied:
Verify version shows 5.10.0 Update 16 or later in About page. Test that regular users cannot delete tasks.
📡 Detection & Monitoring
Log Indicators:
- Unusual task deletion events
- Task modifications by non-admin users
- Failed permission checks for task operations
Network Indicators:
- HTTP POST requests to task deletion endpoints from non-admin accounts
SIEM Query:
source="epo" AND (event_type="task_delete" OR event_type="task_modify") AND user_role!="admin"