Is CVE-2012-6442 being actively exploited?

CVE-2012-6442 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-6442?

CVE-2012-6442 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2012-6442

HIGH · CVSS 7.5EPSS 35.3%EU EUVD

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 product to reset, 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

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-284
EPSS score: 35.3% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-6295)
Published: January 24, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-6295 in the EU Vulnerability Database. Last updated in EUVD on June 3, 2026.

View on the EU Vulnerability Database

Affected products

rockwellautomation / 1100
rockwellautomation / 1400
rockwellautomation / 1756-enbt
rockwellautomation / 1756-eweb
rockwellautomation / 1768-enbt
rockwellautomation / 1768-eweb
rockwellautomation / 1788-enbt
rockwellautomation / 1794-aentr
rockwellautomation / compactlogix controllers firmware
rockwellautomation / compactlogix firmware
rockwellautomation / compactlogix firmware
rockwellautomation / controllogix controllers firmware
rockwellautomation / controllogix firmware
rockwellautomation / ethernet/ip firmware
rockwellautomation / flex i/o ethernet/ip firmware
rockwellautomation / flexlogix firmware
rockwellautomation / guardlogix controllers firmware
rockwellautomation / guardlogix firmware
rockwellautomation / l32e
rockwellautomation / l35e
rockwellautomation / micrologix firmware
rockwellautomation / softlogix controllers firmware
rockwellautomation / softlogix firmware

References

http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102
http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf(Broken Link, Third Party Advisory, US Government Resource)
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154
https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155
https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156
https://tools.cisco.com/security/center/viewAlert.x?alertId=27862(Third Party Advisory)
https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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