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Vulnerability Score 7.8 7.8
CVE Id CVE-2012-6438
Last Modified 25 Jan 2013 11:26:34
Published 24 Jan 2013 04:55:01
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact COMPLETE COMPLETE
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Buffer overflow in 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 allows remote attackers to cause a denial of service (NIC crash and communication outage) via a malformed CIP packet.

Vulnerable Systems


  • Rockwellautomation Controllogix Controllers 20

  • Rockwellautomation Guardlogix Controllers 20

  • Rockwellautomation Micrologix 1100

  • Rockwellautomation Micrologix 1400

  • Rockwellautomation Softlogix Controllers 19



Last Updated: 27 May 2016 11:01:43