Vulnerability Monitor

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CVE-2012-6440

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

Security Impact Summary

CVE-2012-6440 is a security vulnerability that . Impacting 17 products from rockwellautomation, from rockwellautomation, from rockwellautomation and 14 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-01-24T21:55:01.697

Last Modified

2025-06-30T22:15:29.253

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-287
  • Type: Secondary
    CWE-287
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application rockwellautomation controllogix_controllers ≤ 20 Yes
Application rockwellautomation guardlogix_controllers ≤ 20 Yes
Application rockwellautomation micrologix ≤ 1100 Yes
Application rockwellautomation micrologix ≤ 1400 Yes
Application rockwellautomation softlogix_controllers ≤ 19 Yes
Hardware rockwellautomation 1756-enbt - Yes
Hardware rockwellautomation 1756-eweb - Yes
Hardware rockwellautomation 1768-enbt - Yes
Hardware rockwellautomation 1768-eweb - Yes
Hardware rockwellautomation 1794-aentr_flex_i\/o_ethernet\/ip_adapter - Yes
Hardware rockwellautomation compactlogix ≤ 18 Yes
Hardware rockwellautomation compactlogix_controllers ≤ 19 Yes
Hardware rockwellautomation compactlogix_l32e_controller - Yes
Hardware rockwellautomation compactlogix_l35e_controller - Yes
Hardware rockwellautomation controllogix ≤ 18 Yes
Hardware rockwellautomation flexlogix_1788-enbt_adapter - Yes
Hardware rockwellautomation guardlogix ≤ 18 Yes
Hardware rockwellautomation softlogix ≤ 18 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For rockwellautomation's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.