CVE-2024-28805
📋 TL;DR
CVE-2024-28805 is an incorrect access control vulnerability in Italtel i-MCS NFV 12.1.0-20211215 that allows unauthorized users to bypass authentication mechanisms. This affects organizations using this specific version of Italtel's NFV platform, potentially exposing sensitive network functions virtualization infrastructure.
💻 Affected Systems
- Italtel i-MCS NFV
📦 What is this software?
I Mcs Nfv by Italtel
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to take full control of NFV infrastructure, deploy malicious virtual network functions, intercept communications, and pivot to other network segments.
Likely Case
Unauthorized access to administrative functions leading to configuration changes, service disruption, and data exfiltration from virtualized network services.
If Mitigated
Limited impact with proper network segmentation and access controls preventing lateral movement even if initial access is gained.
🎯 Exploit Status
Incorrect access control vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: https://www.gruppotim.it/it/footer/red-team.html
Instructions:
Contact Italtel support for patch availability and installation guidance. Check the vendor advisory for updates.
🔧 Temporary Workarounds
Network Isolation
linuxIsolate the i-MCS NFV management interface from untrusted networks
# Configure firewall rules to restrict access to i-MCS NFV management IP/ports
# Example: iptables -A INPUT -s trusted_network -p tcp --dport management_port -j ACCEPT
# iptables -A INPUT -p tcp --dport management_port -j DROP
Access Control Lists
allImplement strict IP-based access controls for the management interface
# Configure network device ACLs to permit only authorized management stations
# Example access-list configuration depends on network equipment
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system from critical infrastructure
- Deploy additional authentication layers (2FA, VPN gateways) in front of the management interface
🔍 How to Verify
Check if Vulnerable:
Check the system version via administrative interface or CLI. If version matches 12.1.0-20211215, assume vulnerable.Check Version:
Check via i-MCS NFV web interface or consult system documentation for version query commandsVerify Fix Applied:
After applying vendor patches, verify version has changed from vulnerable version and test access control mechanisms.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to administrative endpoints
- Authentication bypass logs
- Unexpected configuration changes
Network Indicators:
- Unusual traffic patterns to NFV management ports from unauthorized sources
- Authentication request anomalies
SIEM Query:
source="i-mcs-nfv" AND (event_type="auth_failure" OR event_type="config_change") AND src_ip NOT IN authorized_ips