CVE-2024-48842
📋 TL;DR
ABB FLXEON devices contain hard-coded credentials that could allow attackers to gain unauthorized access. This affects all FLXEON versions through 9.3.5 and newer versions, potentially compromising industrial control systems.
💻 Affected Systems
- ABB FLXEON
⚠️ 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
Complete system compromise allowing attackers to manipulate industrial processes, cause physical damage, or disrupt critical operations.
Likely Case
Unauthorized access to device configuration, data theft, or disruption of industrial operations.
If Mitigated
Limited impact if network segmentation and access controls prevent credential use.
🎯 Exploit Status
Exploitation requires knowledge of hard-coded credentials but is technically simple once obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A7121&LanguageCode=en&DocumentPartId=pdf&Action=Launch
Restart Required: Yes
Instructions:
1. Review vendor advisory 2. Apply recommended firmware update 3. Restart affected devices 4. Verify credentials have been changed
🔧 Temporary Workarounds
Network Segmentation
allIsolate FLXEON devices from untrusted networks and internet access
Access Control Lists
allImplement strict firewall rules limiting access to FLXEON management interfaces
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable devices
- Monitor for authentication attempts using default credentials
🔍 How to Verify
Check if Vulnerable:
Check device firmware version against affected versions in vendor advisoryCheck Version:
Check device web interface or CLI for firmware version informationVerify Fix Applied:
Verify firmware has been updated to patched version and test authentication with old credentials fails📡 Detection & Monitoring
Log Indicators:
- Failed authentication attempts
- Successful logins from unexpected sources
- Configuration changes
Network Indicators:
- Unauthorized access to management ports
- Traffic patterns indicating credential testing
SIEM Query:
source="flxeon" AND (event_type="authentication" OR event_type="configuration_change")