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CVE-2012-6439

high · 8.5

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

8.5
CVSS
23.2%
EPSS (exploit prob.)
98th
EPSS percentile
2013-01-24
Published

AV:N/AC:L/Au:N/C:N/I:P/A:C

Weaknesses

CWE-284

Affected products

VendorProductAffected versions
rockwellautomationcontrollogix_controllers<= 20
rockwellautomationguardlogix_controllers<= 20
rockwellautomationmicrologix<= 1100
rockwellautomationmicrologix<= 1400
rockwellautomationsoftlogix_controllers<= 19
rockwellautomation1756-enbtall versions
rockwellautomation1756-eweball versions
rockwellautomation1768-enbtall versions
rockwellautomation1768-eweball versions
rockwellautomation1794-aentr_flex_i/o_ethernet/ip_adapterall versions
rockwellautomationcompactlogix<= 18
rockwellautomationcompactlogix_controllers<= 19
rockwellautomationcompactlogix_l32e_controllerall versions
rockwellautomationcompactlogix_l35e_controllerall versions
rockwellautomationcontrollogix<= 18
rockwellautomationflexlogix_1788-enbt_adapterall versions
rockwellautomationguardlogix<= 18
rockwellautomationsoftlogix<= 18

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2012-6439