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CVE-2022-3166

HIGHCVSS 7.5/10EPSS 0.68%

Last modified

CVE-2022-3166 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 estimates a 0.68% chance of exploitation in the next 30 days.

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

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.68%

47.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationMicrologix 1100 FirmwareAll versions
RockwellautomationMicrologix 1400 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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
How severe is CVE-2022-3166?
CVE-2022-3166 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3166?
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-2022-3166?

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

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Source: NVD / NIST