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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (53.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000
Affected products
- Rockwell Automation Micrologix 1100 — versions All
- Rockwell Automation Micrologix 1400-A — versions 7.000 and below
- Rockwell Automation Micrologix 1400-B/c — versions 21.007 and below
- Rockwellautomation Micrologix 1100
- Rockwellautomation Micrologix 1100 Firmware
- Rockwellautomation Micrologix 1400
- Rockwellautomation Micrologix 1400 Firmware
Weakness classification (CWE)
References
- rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137678 (Permissions Required, Vendor Advisory)
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.