The Web server password authentication mechanism used by the products is vulnerable to a MitM and Replay attack. Successful exploitation of this vulnerability will allow unauthorized access of the product’s Web server to view and alter product configuration and diagnostics information.
Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Controllogix_controllers | Rockwellautomation | * | 20 (including) |
| Guardlogix_controllers | Rockwellautomation | * | 20 (including) |
| Micrologix | Rockwellautomation | * | 1100 (including) |
| Micrologix | Rockwellautomation | * | 1400 (including) |
| Softlogix_controllers | Rockwellautomation | * | 19 (including) |
| 1756-enbt | Rockwellautomation | - (including) | - (including) |
| 1756-eweb | Rockwellautomation | - (including) | - (including) |
| 1768-enbt | Rockwellautomation | - (including) | - (including) |
| 1768-eweb | Rockwellautomation | - (including) | - (including) |
| 1794-aentr_flex_i/o_ethernet/ip_adapter | Rockwellautomation | - (including) | - (including) |
| Compactlogix | Rockwellautomation | * | 18 (including) |
| Compactlogix_controllers | Rockwellautomation | * | 19 (including) |
| Compactlogix_l32e_controller | Rockwellautomation | - (including) | - (including) |
| Compactlogix_l35e_controller | Rockwellautomation | - (including) | - (including) |
| Controllogix | Rockwellautomation | * | 18 (including) |
| Flexlogix_1788-enbt_adapter | Rockwellautomation | - (including) | - (including) |
| Guardlogix | Rockwellautomation | * | 18 (including) |
| Softlogix | Rockwellautomation | * | 18 (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155
- https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156
- https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03
- http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf