CVE-2024-45373

8.8 HIGH

📋 TL;DR

This vulnerability allows authenticated users of the ProGauge MAGLINK LX4 CONSOLE to escalate their privileges to administrator level. This affects all organizations using the vulnerable ProGauge MAGLINK LX4 CONSOLE system where user accounts exist.

💻 Affected Systems

Products:
  • ProGauge MAGLINK LX4 CONSOLE
Versions: All versions prior to the fix
Operating Systems: Embedded/Proprietary
Default Config Vulnerable: ⚠️ Yes
Notes: Affects systems with user authentication enabled. The vulnerability exists in the privilege management mechanism.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An authenticated malicious insider or compromised account could gain full administrative control, potentially disrupting industrial operations, manipulating critical data, or deploying additional attacks.

🟠

Likely Case

Privilege escalation leading to unauthorized administrative access, allowing configuration changes, data manipulation, or lateral movement within the industrial control system network.

🟢

If Mitigated

Limited impact if proper network segmentation, least privilege access controls, and monitoring are in place to detect and contain privilege escalation attempts.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires valid user credentials. The vulnerability is in the privilege escalation mechanism accessible after authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisory for specific version

Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-24-268-04

Restart Required: Yes

Instructions:

1. Review the CISA advisory ICSA-24-268-04
2. Contact ProGauge for the specific patch version
3. Apply the patch following vendor instructions
4. Restart the system as required
5. Verify the fix by testing privilege escalation

🔧 Temporary Workarounds

Restrict User Access

all

Limit user accounts to only essential personnel and implement strict access controls

Network Segmentation

all

Isolate the MAGLINK LX4 CONSOLE from other critical systems and limit network access

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the vulnerable system
  • Enforce least privilege access controls and monitor all user activity closely

🔍 How to Verify

Check if Vulnerable:

Test if authenticated users can change their privileges to administrator through the console interface

Check Version:

Check system version through console interface or contact vendor

Verify Fix Applied:

After patching, verify that authenticated users can no longer escalate to administrator privileges

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events
  • User account changes to administrator role
  • Multiple failed privilege escalation attempts

Network Indicators:

  • Unusual authentication patterns to the console
  • Administrative actions from non-admin accounts

SIEM Query:

Search for events where user privilege level changes from standard to administrator

🔗 References

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