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CRITICAL · 9.8

CVE-2023-2262

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 remo...

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Rockwellautomation1756-En2T Series A Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2T Series A-
Rockwellautomation1756-En2T Series B Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2T Series B-
Rockwellautomation1756-En2T Series C Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2T Series C-
Rockwellautomation1756-En2T Series D Firmware<= 11.002
Rockwellautomation1756-En2T Series D-
Rockwellautomation1756-En2Tk Series A Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Tk Series A-
Rockwellautomation1756-En2Tk Series B Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Tk Series B-
Rockwellautomation1756-En2Tk Series C Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Tk Series C-
Rockwellautomation1756-En2Txt Series A Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Txt Series A-
Rockwellautomation1756-En2Txt Series B Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Txt Series B-
Rockwellautomation1756-En2Txt Series C Firmware>= 5.008, <= 5.028
Rockwellautomation1756-En2Txt Series C-

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2023-2262?

CVE-2023-2262 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 remo...

How severe is CVE-2023-2262?

CVE-2023-2262 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-2262?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation 1756-En2T Series A Firmware, Rockwellautomation 1756-En2T Series A, Rockwellautomation 1756-En2T Series B Firmware, Rockwellautomation 1756-En2T Series B, Rockwellautomation 1756-En2T Series C Firmware.