CVE-2012-6440

Rockwell Automation ControlLogix PLC Improper Input Validation

Published: Jan 24, 2013Updated: Jun 3, 2026 Sources: CVE List NVD csafCWE-287

4.8MEDIUM

Description

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

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:HAttack Complexity

High

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-287

Affected Products

and 9 more affected products View all →

Exploitability

Official Patch Available

Workaround Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03

cisa.gov

https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154

rockwellautomation.custhelp.com

https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155

rockwellautomation.custhelp.com

and 12 more references View all →

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