CVE-2024-1480
📋 TL;DR
This vulnerability allows unauthenticated attackers to retrieve the Information Mode password from Unitronics Vision Standard controllers. This affects industrial control systems using these controllers, potentially exposing sensitive operational information.
💻 Affected Systems
- Unitronics Vision Standard line of controllers
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative access to industrial controllers, enabling manipulation of physical processes, disruption of operations, or installation of persistent malware.
Likely Case
Unauthorized access to controller information and configuration data, potentially leading to reconnaissance for further attacks or operational disruption.
If Mitigated
Limited information disclosure with no direct operational impact if proper network segmentation and access controls are implemented.
🎯 Exploit Status
Simple HTTP request to specific endpoint returns password without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Unitronics advisory for specific firmware versions
Vendor Advisory: https://www.unitronicsplc.com/security-advisory/
Restart Required: Yes
Instructions:
1. Download latest firmware from Unitronics website. 2. Backup current configuration. 3. Apply firmware update via programming software. 4. Restart controller. 5. Verify Information Mode password is properly secured.
🔧 Temporary Workarounds
Network Segmentation
allIsolate controllers from untrusted networks and internet
Disable Information Mode
allTurn off Information Mode feature if not required
🧯 If You Can't Patch
- Implement strict network access controls to limit controller access to authorized systems only
- Monitor network traffic to/from controllers for suspicious authentication attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to access the Information Mode password endpoint without authentication via HTTP request to controllerCheck Version:
Check firmware version via Unitronics programming software or controller interfaceVerify Fix Applied:
Verify Information Mode password cannot be retrieved without proper authentication after patch📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to Information Mode endpoints
- Multiple failed authentication attempts followed by successful access
Network Indicators:
- HTTP requests to controller Information Mode endpoints from unauthorized sources
- Unusual traffic patterns to industrial controllers
SIEM Query:
source_ip NOT IN authorized_list AND destination_port=80 AND uri_path CONTAINS 'information'