high
7.8
CWE
399
Advisory Published
Updated

CVE-2012-6435

First published: Thu Jan 24 2013(Updated: )

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 allow remote attackers to cause a denial of service (control and communication outage) via a CIP message that specifies a logic-execution stop and fault.

Credit: ics-cert@hq.dhs.gov

Affected SoftwareAffected VersionHow to fix
Rockwell Automation ControlLogix Controllers<=20
Rockwell Automation GuardLogix controllers firmware<=20
Rockwell Automation MicroLogix Firmware<=1100
Rockwell Automation MicroLogix Firmware<=1400
Rockwell Automation SoftLogix Controllers Firmware<=19
Rockwell Automation 1756-ENBT
Rockwell Automation Ethernet/IP Web Server Module 1756-EWEB
Rockwell Automation 1768-ENBT
Rockwell Automation Ethernet/IP Web Server Module 1768-EWEB
Rockwell Automation 1794-AENTR FLEX I/O Ethernet/IP Adapter
Rockwell Automation CompactLogix<=18
Rockwell Automation CompactLogix Controllers Firmware<=19
CompactLogix L32E Controller
Rockwell Automation CompactLogix L35E Controller
Rockwell Automation ControlLogix Controllers<=18
Rockwell Automation FLEXLogix 1788-ENBT
Rockwell Automation GuardLogix Controllers<=18
Rockwell Automation SoftLogix<=18

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-6435?

    CVE-2012-6435 is considered a high severity vulnerability due to the potential for remote code execution.

  • How do I fix CVE-2012-6435?

    You can mitigate CVE-2012-6435 by applying the latest firmware updates provided by Rockwell Automation.

  • Which Rockwell Automation products are affected by CVE-2012-6435?

    CVE-2012-6435 affects several products including the ControlLogix, GuardLogix, CompactLogix, and MicroLogix controllers, among others.

  • Is CVE-2012-6435 a network-related vulnerability?

    Yes, CVE-2012-6435 is a network-related vulnerability that can be exploited over the EtherNet/IP protocol.

  • Can CVE-2012-6435 allow unauthorized access?

    Yes, CVE-2012-6435 can potentially allow unauthorized access to control systems, enabling attackers to execute arbitrary code.

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