CVE-2022-46670

Name: CVE-2022-46670
Creator: NVD / NIST
Published: 2022-12-16T21:15:09.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2022-46670 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Rockwell Automation was made aware of a vulnerability by a security researcher from Georgia Institute of Technology that the MicroLogix 1100 and 1400 controllers contain a vulnerability that may give an attacker the ability to accomplish remote code execution. The vulnerability is an unauthenticated stored cross-site scripting vulnerability in the embedded webserver. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

Rockwell Automation was made aware of a vulnerability by a security researcher from Georgia Institute of Technology that the MicroLogix 1100 and 1400 controllers contain a vulnerability that may give an attacker the ability to accomplish remote code execution. The vulnerability is an unauthenticated stored cross-site scripting vulnerability in the embedded webserver. The payload is transferred to the controller over SNMP and is rendered on the homepage of the embedded website.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.54%

41.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rockwellautomation	Micrologix 1400 Firmware	All versions
Rockwellautomation	Micrologix 1100 Firmware	All versions
Rockwellautomation	Micrologix 1400-B Firmware	<= 21.007
Rockwellautomation	Micrologix 1400-C Firmware	<= 21.007
Rockwellautomation	Micrologix 1400-A Firmware	<= 7.000

References

https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137679Vendor Advisory
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137679Vendor Advisory

Timeline

Published: Dec 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-46670?

How severe is CVE-2022-46670?

CVE-2022-46670 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2022-46670?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46670?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST