CVE-2025-13659
📋 TL;DR
This vulnerability in Ivanti Endpoint Manager allows remote, unauthenticated attackers to write arbitrary files to the server, which could lead to remote code execution. User interaction is required for exploitation. Organizations using Ivanti Endpoint Manager versions prior to 2024 SU4 SR1 are affected.
💻 Affected Systems
- Ivanti Endpoint Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with full system compromise, allowing attackers to install malware, steal data, or pivot to other systems.
Likely Case
File system manipulation leading to service disruption, data corruption, or privilege escalation.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts.
🎯 Exploit Status
Exploitation requires user interaction but is unauthenticated. No public proof-of-concept available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024 SU4 SR1
Vendor Advisory: https://forums.ivanti.com/s/article/Security-Advisory-EPM-December-2025-for-EPM-2024
Restart Required: Yes
Instructions:
1. Download Ivanti Endpoint Manager 2024 SU4 SR1 from the Ivanti portal. 2. Backup current configuration and data. 3. Run the installer with administrative privileges. 4. Restart the server after installation completes.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Ivanti Endpoint Manager servers to only trusted administrative networks.
User Awareness
allEducate users about not interacting with suspicious links or content that could trigger the vulnerability.
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted IP addresses only.
- Deploy web application firewall (WAF) rules to block suspicious file write attempts.
🔍 How to Verify
Check if Vulnerable:
Check Ivanti Endpoint Manager version in the administration console under Help > About.Check Version:
Not applicable - use administration console interfaceVerify Fix Applied:
Verify version shows 2024 SU4 SR1 or later in the administration console.📡 Detection & Monitoring
Log Indicators:
- Unusual file write operations in Ivanti logs
- Unexpected process creation from Ivanti services
Network Indicators:
- Unusual outbound connections from Ivanti server
- Suspicious file transfer patterns
SIEM Query:
source="ivanti_epm" AND (event_type="file_write" OR process_name="unusual_executable")