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Vulnerability · Published Dec 16, 2022 · Assigned by Rockwell

CVE-2022-3166MicroLogix 1100 & 1400 Product Web Server Application Vulnerable to Denial-Of-Service Condition Attack

High 7.5

In plain English

A high-severity security flaw in MicroLogix 1100 from Rockwell Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Rockwell Automation MicroLogix 1100 All
Rockwell Automation MicroLogix 1400-B/C 21.007 and below
Rockwell Automation MicroLogix 1400-A 7.000 and below

Weakness: CWE-924 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References