Strix
26.1K

CVE-2022-3752

HIGHCVSS 7.5/10EPSS 1.22%

Last modified

CVE-2022-3752 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation. . EPSS estimates a 1.22% chance of exploitation in the next 30 days.

Description

An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation.

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
1.22%

64.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RockwellautomationCompactlogix 5480 Firmware>= 32.011
RockwellautomationCompactlogix 5580 Firmware>= 31.011
RockwellautomationGuardlogix 5580 Firmware>= 32.011
RockwellautomationCompact Guardlogix 5380 Firmware>= 31.011
RockwellautomationCompactlogix 5380 Firmware>= 31.011

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-3752?
An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic loading to cause a denial-of-service condition in Rockwell Automation Logix controllers resulting in a major non-recoverable fault. If the target device becomes unavailable, a user would have to clear the fault and redownload the user project file to bring the device back online and continue normal operation.
How severe is CVE-2022-3752?
CVE-2022-3752 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.
How do I fix CVE-2022-3752?
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-2022-3752?

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

Scan your code now

Source: NVD / NIST