Vulnerability in Rockwell Automation Micrologix 1100

CVE-2022-3166

Rockwell Automation was made aware that the webservers of the Micrologix 1100 and 1400 controllers contain a vulnerability that may lead to a denial-of-service condition. The security vulnerability could be exploited by an attacker with network access to the affected systems by sending TCP packets to webserver and closing it abruptly which would cause a denial-of-service condition for the web server application on the device

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-3166?
CVE-2022-3166 is a high-severity vulnerability in Rockwell Automation Micrologix 1100, classified under Improper Enforcement of Message Integrity During Transmission in a Communication Channel. CVSS score: 7.5/10. Published 2022-12-16.
How severe is CVE-2022-3166?
High severity. CVSS v3 base score is 7.5 out of 10.