CVE-2024-47138

9.8 CRITICAL

📋 TL;DR

This vulnerability exposes an administrative interface on all network interfaces without authentication, allowing unauthenticated remote attackers to gain administrative control. It affects systems running the vulnerable software in default configurations. This is critical for any organization using the affected products.

💻 Affected Systems

Products:
  • Specific product names not provided in CVE description - refer to vendor advisory
Versions: Version range not specified - check vendor advisory
Operating Systems: Not specified - likely cross-platform
Default Config Vulnerable: ⚠️ Yes
Notes: Default configuration exposes the interface on all network interfaces without authentication.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise, data theft, ransomware deployment, or disruption of critical operations through administrative access.

🟠

Likely Case

Unauthorized configuration changes, data exfiltration, or installation of backdoors by attackers scanning for vulnerable systems.

🟢

If Mitigated

Limited impact if interface is firewalled, authentication is enabled, or network segmentation prevents access.

🌐 Internet-Facing: HIGH - Directly accessible from the internet with no authentication required.
🏢 Internal Only: HIGH - Even internally, any user on the network can gain administrative access.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

No authentication required makes exploitation trivial. Attackers can simply connect to the administrative interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific version

Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-326-07

Restart Required: Yes

Instructions:

1. Consult vendor advisory for specific patch details
2. Apply vendor-provided security update
3. Restart affected services
4. Verify authentication is now required

🔧 Temporary Workarounds

Restrict network access

all

Configure firewall rules to block access to the administrative interface port from untrusted networks

# Example Linux iptables: iptables -A INPUT -p tcp --dport [PORT] -s [TRUSTED_NETWORK] -j ACCEPT
# Example Windows Firewall: New-NetFirewallRule -DisplayName "Block Admin Port" -Direction Inbound -LocalPort [PORT] -Protocol TCP -Action Block

Enable authentication

all

Configure the administrative interface to require authentication

# Check vendor documentation for authentication configuration commands

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate affected systems
  • Deploy intrusion detection systems to monitor for unauthorized access attempts

🔍 How to Verify

Check if Vulnerable:

Attempt to access the administrative interface without credentials. If accessible, system is vulnerable.

Check Version:

Check vendor documentation for version query command specific to the product

Verify Fix Applied:

Verify authentication is now required when accessing the administrative interface and the interface is not bound to all interfaces.

📡 Detection & Monitoring

Log Indicators:

  • Unauthenticated access to administrative interface
  • Configuration changes without authentication logs
  • Failed authentication attempts if authentication is enabled

Network Indicators:

  • Unexpected connections to administrative port from untrusted sources
  • Traffic patterns indicating administrative access without authentication

SIEM Query:

source_port=[ADMIN_PORT] AND (authentication_result="none" OR authentication_result="failed")

🔗 References

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