CVE-2022-3166 MicroLogix 1100 & 1400 Product Web Server Application Vulnerable to Denial-Of-Service Condition Attack
An attacker can cause a denial-of-service condition on MicroLogix controllers by sending abrupt TCP packets to the web server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-3166?
CVE-2022-3166 is a high-severity denial of service vulnerability in Rockwell Automation MicroLogix 1100, published on 16 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
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
Weakness: CWE-924
Which versions are affected by CVE-2022-3166?
It affects 2 products.
Products include Rockwellautomation Micrologix 1100 Firmware, Rockwellautomation Micrologix 1400 Firmware.
How do I fix CVE-2022-3166?
No fix has been published for CVE-2022-3166 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-3166 being exploited?
There is no known exploitation of CVE-2022-3166 in the wild and no public exploit code.
Other vulnerabilities in Rockwell Automation MicroLogix 1100
- CVE-2020-6984 Weak cryptography in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
- CVE-2020-6990 Hardcoded credentials in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
- CVE-2015-6490 Memory corruption in n/a
- CVE-2021-33012 Denial of service in Rockwell Automation MicroLogix 1100
- CVE-2020-6988 Information disclosure in Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior
Sources
Also known as GHSA-c9wc-p58w-qcgf.