CVE-2012-6440

medium
Published 2013-01-24 Β· Modified 2026-06-03
CVSS v3
4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4 NEW
β€”
not yet in upstream
VIR risk
4.8

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
58%
Patch ETA
β€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or β€” if you've already worked around this in production β€” publish your fix to the community-verified tier.

✚ Propose a mitigation on Community β†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact

VendorProductVersionsFixed
rockwellautomationcontrollogix_controllers{"endIncluding":"20"}
rockwellautomationguardlogix_controllers{"endIncluding":"20"}
rockwellautomationmicrologix{"endIncluding":"1100"}
rockwellautomationsoftlogix_controllers{"endIncluding":"19"}
rockwellautomationmicrologix{"endIncluding":"1400"}
rockwellautomation1756-enbt-
rockwellautomation1756-eweb-
rockwellautomation1768-enbt-
rockwellautomation1768-eweb-
rockwellautomation1794-aentr_flex_i\/o_ethernet\/ip_adapter-
rockwellautomationcompactlogix{"endIncluding":"18"}
rockwellautomationcompactlogix_controllers{"endIncluding":"19"}
rockwellautomationcompactlogix_l32e_controller-
rockwellautomationcompactlogix_l35e_controller-
rockwellautomationcontrollogix{"endIncluding":"18"}
rockwellautomationflexlogix_1788-enbt_adapter-
rockwellautomationguardlogix{"endIncluding":"18"}
rockwellautomationsoftlogix{"endIncluding":"18"}

References

CWEs

CWE-287

Community-verified mitigations for this CVE will appear above when contributors publish them.

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