CVE-2023-2262

Rockwell Automation Select Logix Communication Modules Vulnerable to Email Object Buffer Overflow

Published Sep 20, 2023 CVSS 3.1 · 9.8 Critical EPSS 1.3% KEV · Not listed
Description



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.



Remediation

Vendor Solution

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

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-33768 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Rockwellautomation 1756-en2f Series A 1756-en2f Series A Firmware 1756-en2f Series B 1756-en2f Series B Firmware 1756-en2f Series C 1756-en2f Series C Firmware 1756-en2fk Series A 1756-en2fk Series A Firmware 1756-en2fk Series B 1756-en2fk Series B Firmware 1756-en2fk Series C 1756-en2fk Series C Firmware 1756-en2t Series A 1756-en2t Series A Firmware 1756-en2t Series B 1756-en2t Series B Firmware 1756-en2t Series C 1756-en2t Series C Firmware 1756-en2t Series D 1756-en2t Series D Firmware 1756-en2tk Series A 1756-en2tk Series A Firmware 1756-en2tk Series B 1756-en2tk Series B Firmware 1756-en2tk Series C 1756-en2tk Series C Firmware 1756-en2tp Series A 1756-en2tp Series A Firmware 1756-en2tpk Series A 1756-en2tpk Series A Firmware 1756-en2tpxt Series A 1756-en2tpxt Series A Firmware 1756-en2tr Series A 1756-en2tr Series A Firmware 1756-en2tr Series B 1756-en2tr Series B Firmware 1756-en2tr Series C 1756-en2tr Series C Firmware 1756-en2trk Series A 1756-en2trk Series A Firmware 1756-en2trk Series B 1756-en2trk Series B Firmware 1756-en2trk Series C 1756-en2trk Series C Firmware 1756-en2trxt Series A 1756-en2trxt Series A Firmware 1756-en2trxt Series B 1756-en2trxt Series B Firmware 1756-en2trxt Series C 1756-en2trxt Series C Firmware 1756-en2txt Series A 1756-en2txt Series A Firmware 1756-en2txt Series B 1756-en2txt Series B Firmware 1756-en2txt Series C 1756-en2txt Series C Firmware 1756-en2txt Series D 1756-en2txt Series D Firmware 1756-en3tr Series A 1756-en3tr Series A Firmware 1756-en3tr Series B 1756-en3tr Series B Firmware 1756-en3trk Series A 1756-en3trk Series A Firmware 1756-en3trk Series B 1756-en3trk Series B Firmware
Weaknesses

Sources

Status
PUBLISHED
Assigner
Rockwell
Published
Updated
Sep 25, 2024, 3:44 PM
Reserved
Apr 24, 2023, 9:35 PM
Status
Modified
Published
Sep 20, 2023, 4:15 PM
Modified
Jun 17, 2026, 5:52 AM