CVE-2023-2262

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

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

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

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 4.48% Top 15%
Vendor Advisory custhelp.com
Affected: Rockwell Automation 1756-EN2T Series A, B, C
Affected: Rockwell Automation 1756-EN2T Series D
Affected: Rockwell Automation 1756-EN2TK Series A, B, C
Affected: Rockwell Automation 1756-EN2TXT Series A, B, C
Affected: Rockwell Automation 1756-EN2TXT Series D
Affected: Rockwell Automation 1756-EN2TP Series A
Affected: Rockwell Automation 1756-EN2TPK Series A
Affected: Rockwell Auotmation 1756-EN2TPXT Series A
Affected: Rockwell Automation 1756-EN2TR Series A, B
Affected: Rockwell Automation 1756-EN2TR Series C
Affected: Rockwell Automation 1756-EN2TRK Series A, B
Affected: Rockwell Automation 1756-EN2TRK Series C
Affected: Rockwell Automation 1756-EN2TRXT Series A, B
Affected: Rockwell Automation 1756-EN2TRXT Series C
Affected: Rockwell Automation 1756-EN2F Series A, B
Affected: Rockwell Automation 1756-EN2F Series C
Affected: Rockwell Automation 1756-EN2FK Series A, B
Affected: Rockwell Automation 1756-EN2FK Series C
Affected: Rockwell Automation 1756-EN3TR Series A
Affected: Rockwell Automation 1756-EN3TR Series B
Affected: Rockwell Automation 1756-EN3TRK Series A
Affected: Rockwell Automation 1756-EN3TRK Series B
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2023-2262?
CVE-2023-2262 has been scored as a critical severity vulnerability.
How to fix CVE-2023-2262?
To fix CVE-2023-2262: 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
Is CVE-2023-2262 being actively exploited in the wild?
It is possible that CVE-2023-2262 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-2262?
CVE-2023-2262 affects Rockwell Automation 1756-EN2T Series A, B, C, Rockwell Automation 1756-EN2T Series D, Rockwell Automation 1756-EN2TK Series A, B, C, Rockwell Automation 1756-EN2TXT Series A, B, C, Rockwell Automation 1756-EN2TXT Series D, Rockwell Automation 1756-EN2TP Series A, Rockwell Automation 1756-EN2TPK Series A, Rockwell Auotmation 1756-EN2TPXT Series A, Rockwell Automation 1756-EN2TR Series A, B, Rockwell Automation 1756-EN2TR Series C, Rockwell Automation 1756-EN2TRK Series A, B, Rockwell Automation 1756-EN2TRK Series C, Rockwell Automation 1756-EN2TRXT Series A, B, Rockwell Automation 1756-EN2TRXT Series C, Rockwell Automation 1756-EN2F Series A, B, Rockwell Automation 1756-EN2F Series C, Rockwell Automation 1756-EN2FK Series A, B, Rockwell Automation 1756-EN2FK Series C, Rockwell Automation 1756-EN3TR Series A, Rockwell Automation 1756-EN3TR Series B, Rockwell Automation 1756-EN3TRK Series A, Rockwell Automation 1756-EN3TRK Series B.
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