Rockwell Automation Select Logix Communication Modules Stack-Based Buffer Overflow (CVE-2023-2262)

critical Tenable OT Security Plugin ID 501683

Synopsis

The remote OT asset is affected by a vulnerability.

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Rockwell Automation has released the following for users to apply:

See Also

http://www.nessus.org/u?64ad97d0

http://www.nessus.org/u?0da5224f

https://www.cisa.gov/news-events/ics-advisories/icsa-23-264-04

Plugin Details

Severity: Critical

ID: 501683

File Name: tenable_ot_rockwell_CVE-2023-2262.nasl

Version: 1.5

Type: remote

Family: Tenable.ot

Published: 9/22/2023

Updated: 2/14/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-2262

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rockwellautomation:1756-en2t_series_d_firmware, cpe:/o:rockwellautomation:1756-en2tk_series_a_firmware, cpe:/o:rockwellautomation:1756-en3trk_series_a_firmware, cpe:/o:rockwellautomation:1756-en2trxt_series_b_firmware, cpe:/o:rockwellautomation:1756-en2trk_series_b_firmware, cpe:/o:rockwellautomation:1756-en2tk_series_c_firmware, cpe:/o:rockwellautomation:1756-en2fk_series_c_firmware, cpe:/o:rockwellautomation:1756-en2trxt_series_c_firmware, cpe:/o:rockwellautomation:1756-en2trk_series_a_firmware, cpe:/o:rockwellautomation:1756-en2txt_series_a_firmware, cpe:/o:rockwellautomation:1756-en2tk_series_d_firmware, cpe:/o:rockwellautomation:1756-en2tpk_series_a_firmware, cpe:/o:rockwellautomation:1756-en2tr_series_c_firmware, cpe:/o:rockwellautomation:1756-en2trxt_series_a_firmware, cpe:/o:rockwellautomation:1756-en3tr_series_a_firmware, cpe:/o:rockwellautomation:1756-en2tr_series_a_firmware, cpe:/o:rockwellautomation:1756-en3tr_series_b_firmware, cpe:/o:rockwellautomation:1756-en2tpxt_series_a_firmware, cpe:/o:rockwellautomation:1756-en2f_series_b_firmware, cpe:/o:rockwellautomation:1756-en2txt_series_b_firmware, cpe:/o:rockwellautomation:1756-en2tr_series_b_firmware, cpe:/o:rockwellautomation:1756-en2tp_series_a_firmware, cpe:/o:rockwellautomation:1756-en2tk_series_b_firmware, cpe:/o:rockwellautomation:1756-en3trk_series_b_firmware, cpe:/o:rockwellautomation:1756-en2t_series_b_firmware, cpe:/o:rockwellautomation:1756-en2fk_series_a_firmware, cpe:/o:rockwellautomation:1756-en2t_series_a_firmware, cpe:/o:rockwellautomation:1756-en2trk_series_c_firmware, cpe:/o:rockwellautomation:1756-en2f_series_a_firmware, cpe:/o:rockwellautomation:1756-en2txt_series_c_firmware, cpe:/o:rockwellautomation:1756-en2txt_series_d_firmware, cpe:/o:rockwellautomation:1756-en2fk_series_b_firmware, cpe:/o:rockwellautomation:1756-en2t_series_c_firmware, cpe:/o:rockwellautomation:1756-en2f_series_c_firmware

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 9/20/2023

Vulnerability Publication Date: 9/20/2023

Reference Information

CVE: CVE-2023-2262

CWE: 787