Is CVE-2012-6442 actively exploited?

No active exploitation of CVE-2012-6442 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2012-6442 be exploited remotely?

Yes. CVE-2012-6442 is exploitable remotely over the network (CVSS attack vector: Network).

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

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

HOME VULNERABILITIESCVE-2012-6442

HIGH

CVE-2012-6442

CWE-284Published: January 24, 2013· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official 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 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

NVD Source

Technical Analysis

CVE-2012-6442 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Affected Vendors & Products

rockwellautomation22 product(s)

ethernet\/ip firmware1756-enbt1756-eweb1768-enbt1768-ewebcompactlogix firmwarel32el35eflexlogix firmware1788-enbtflex i\/o ethernet\/ip firmware1794-aentr+10

Source: NVD CPE · 23 total CPE entries