VULNERABILITY INTELLIGENCE

CVE-2012-6439

CVSS score8.5 NONE
EPSS probability23.18%
CISA KEVNot currently listed
Published2013-01-24
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:C

Description

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 changes the product’s configuration and network parameters, a DoS condition 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

Weakness classification

  • ics-cert@hq.dhs.gov: CWE-284
  • nvd@nist.gov: NVD-CWE-Other

Primary references