CVE-2012-6437

critical
Published 2013-01-24 ยท Modified 2026-06-03
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.8

Description

The device does not properly authenticate users and the potential exists for a remote user to upload a new firmware image to the Ethernet card, whether it is a corrupt or legitimate firmware image. Successful exploitation of this vulnerability could cause loss of availability, integrity, and confidentiality and a disruption in communications with other connected devices. 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
97%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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.