CVE-2012-6437
9.8 · CRITICALThe 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.
Overview
CVE-2012-6437 is a critical-severity vulnerability affecting rockwellautomation controllogix_controllers. It was published on January 24, 2013 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from rockwellautomation. Update controllogix_controllers to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| rockwellautomation | controllogix_controllers | 0 | Affected |
| rockwellautomation | guardlogix_controllers | 0 | Affected |
| rockwellautomation | micrologix | 0 | Affected |
| rockwellautomation | softlogix_controllers | 0 | Affected |
| rockwellautomation | compactlogix | 0 | Affected |
| rockwellautomation | compactlogix_controllers | 0 | Affected |
| rockwellautomation | controllogix | 0 | Affected |
| rockwellautomation | guardlogix | 0 | Affected |
| rockwellautomation | softlogix | 0 | Affected |
References
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Frequently asked questions
What is CVE-2012-6437?
CVE-2012-6437 is a critical-severity vulnerability affecting rockwellautomation controllogix_controllers. It was published on January 24, 2013 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2012-6437?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2012-6437?
Check the references section for vendor advisories and patches from rockwellautomation. Update controllogix_controllers to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-6437?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-6437 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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