CVE-2012-6435

7.5 highEPSS 43%

High (7.5) in rockwellautomation. EPSS 43% chance of exploitation in the next 30 days.

When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the CPU to stop logic execution and enter a fault state, a DoS can occur. This situation could cause loss of availability and a disruption of communication 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

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 43% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWEs: CWE-284, CWE-399
Published: 2013-01-24
Modified: 2026-06-16
Record from: the NVD, synced 2026-10-19

Affected

rockwellautomation:1756-enbt
rockwellautomation:1756-eweb
rockwellautomation:1768-enbt
rockwellautomation:1768-eweb
rockwellautomation:1794-aentr_flex_i\/o_ethernet\/ip_adapter
rockwellautomation:compactlogix
rockwellautomation:compactlogix_controllers
rockwellautomation:compactlogix_l32e_controller
rockwellautomation:compactlogix_l35e_controller
rockwellautomation:controllogix
rockwellautomation:controllogix_controllers
rockwellautomation:flexlogix_1788-enbt_adapter
rockwellautomation:guardlogix
rockwellautomation:guardlogix_controllers
rockwellautomation:micrologix
rockwellautomation:softlogix
rockwellautomation:softlogix_controllers

References

Check your stack JSON