critical
9.8
CWE
787 121 119
Advisory Published
Updated

CVE-2023-2262: Rockwell Automation Select Logix Communication Modules Vulnerable to Email Object Buffer Overflow

First published: Wed Sep 20 2023(Updated: )

A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.

Credit: PSIRT@rockwellautomation.com

Affected SoftwareAffected VersionHow to fix
Rockwell Automation 1756-EN2T Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2T Series A
Rockwell Automation 1756-EN2T Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2T Series B
Rockwell Automation 1756-EN2T Series C Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2T Series C
Rockwell Automation 1756-EN2T Series D Firmware<=11.002
Rockwell Automation 1756-EN2T Series D Firmware
Rockwell Automation 1756-EN2TK Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TK Series A
Rockwell Automation 1756-EN2TK Series B>=5.008<=5.028
Rockwell Automation 1756-EN2TK Series B
Rockwell Automation 1756-EN2TK Series C Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TK Series C Firmware
Rockwell Automation 1756-EN2TXT Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TXT Series A Firmware
Rockwell Automation 1756-EN2TXT Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TXT Series B Firmware
Rockwell Automation 1756-EN2TXT Series C Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TXT Series C Firmware
Rockwell Automation 1756-EN2TXT Series D<=11.002
Rockwell Automation 1756-EN2TXT Series D
Rockwell Automation 1756-EN2TP Series A Firmware<=11.002
Rockwell Automation 1756-EN2TP Series A
Rockwell Automation 1756-EN2TPK Series A Firmware<=11.002
Rockwell Automation 1756-EN2TPK Series A Firmware
Rockwell Automation 1756-EN2TR Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TR Series A
Rockwell Automation 1756-EN2TR Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TR Series B Firmware
Rockwell Automation 1756-EN2TR Series C Firmware<=11.002
Rockwell Automation 1756-EN2TR Series C
Rockwell Automation 1756-EN3TRK Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TRK Series A Firmware
Rockwell Automation 1756-EN3TRK Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN3TRK Series B
Rockwell Automation 1756-EN2TRK Series C Firmware<=11.002
Rockwell Automation 1756-EN2TRK Series C Firmware
Rockwell Automation 1756-EN2TRXT Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TRXT Series A Firmware
Rockwell Automation 1756-EN2TRXT Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2TRXT Series B
Rockwell Automation 1756-EN2TRXT Series C<=11.002
Rockwell Automation 1756-EN2TRXT Series C
Rockwell Automation 1756-EN2F Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2F Series A
Rockwell Automation 1756-EN2F Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2F Series B Firmware
Rockwell Automation 1756-EN2F Series C Firmware<=11.002
Rockwell Automation 1756-EN2F Series C
Rockwell Automation 1756-EN2FK Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2FK Series A
Rockwell Automation 1756-EN2FK Series B Firmware>=5.008<=5.028
Rockwell Automation 1756-EN2FK Series B
Rockwell Automation 1756-EN2FK Series C Firmware<=11.002
Rockwell Automation 1756-EN2FK Series C
Rockwell Automation 1756-EN3TR Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN3TR Series A
Rockwell Automation 1756-EN3TR Series B Firmware<=11.003
Rockwell Automation 1756-EN3TR Series B Firmware
Rockwell Automation 1756-EN3TRK Series A Firmware>=5.008<=5.028
Rockwell Automation 1756-EN3TRK Series A
Rockwell Automation 1756-EN3TRK Series B Firmware<=11.002
Rockwell Automation 1756-EN3TRK Series B Firmware
rockwellautomation 1756-en2tpxt series A firmware<=11.002
rockwellautomation 1756-en2tpxt series A firmware

Remedy

Update firmware. Update EN2* ControlLogix communications modules to mitigated firmware. * Restrict traffic to the SMTP port (25), if not needed. * Customers using the EN2/EN3 versions 10.x and higher can disable the email object, if not needed. Instructions can be found in the EtherNet/IP Network Devices User Manual (rockwellautomation.com) https://literature.rockwellautomation.com/idc/groups/literature/documents/um/enet-um006_-en-p.pdf , publication ENET-UM006. * QA43240 - Recommended Security Guidelines from Rockwell Automation https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012

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