CVE-2024-11633
📋 TL;DR
This CVE describes an argument injection vulnerability in Ivanti Connect Secure that allows authenticated administrators to execute arbitrary code remotely. Attackers with admin privileges can exploit improper input validation to inject malicious arguments into system commands. Organizations running vulnerable versions of Ivanti Connect Secure are affected.
💻 Affected Systems
- Ivanti Connect Secure
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to establish persistent access, steal sensitive data, pivot to internal networks, and deploy ransomware or other malware.
Likely Case
Attackers gain remote code execution with admin privileges, enabling them to modify configurations, create backdoors, and access protected resources.
If Mitigated
Limited impact due to network segmentation, strong authentication controls, and monitoring that detects unusual admin activity.
🎯 Exploit Status
Exploitation requires admin credentials but is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 22.7R2.4
Vendor Advisory: https://forums.ivanti.com/s/article/December-2024-Security-Advisory-Ivanti-Connect-Secure-ICS-and-Ivanti-Policy-Secure-IPS-Multiple-CVEs
Restart Required: Yes
Instructions:
1. Download patch from Ivanti support portal. 2. Backup current configuration. 3. Apply patch following Ivanti documentation. 4. Restart services. 5. Verify patch installation.
🔧 Temporary Workarounds
Restrict Admin Access
allLimit administrative access to only necessary personnel and implement multi-factor authentication
Network Segmentation
allIsolate Ivanti Connect Secure devices from critical internal networks
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Enhance monitoring of admin account activity and command execution
🔍 How to Verify
Check if Vulnerable:
Check Ivanti Connect Secure version via web admin interface or CLICheck Version:
show versionVerify Fix Applied:
Verify version is 22.7R2.4 or later in admin interface📡 Detection & Monitoring
Log Indicators:
- Unusual admin login patterns
- Suspicious command execution in system logs
- Multiple failed admin login attempts
Network Indicators:
- Unexpected outbound connections from Ivanti device
- Anomalous traffic patterns
SIEM Query:
source="ivanti_connect_secure" AND (event_type="admin_login" OR event_type="command_execution")