CVE-2012-6440

critical
Published 2013-01-24 · Modified 2026-04-29
CVSS v3
CVSS v2
9.3
VIR risk
9.3

Description

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

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

Application impact

VendorProductVersionsFixed
rockwellautomationcontrollogix_controllers{"endIncluding":"20"}
rockwellautomationguardlogix_controllers{"endIncluding":"20"}
rockwellautomationmicrologix{"endIncluding":"1100"}
rockwellautomationsoftlogix_controllers{"endIncluding":"19"}

References

CWEs

CWE-287

Verify integrity in audit chain (admin only). AS-IS.