SARA / Free Tools / CVE / CVE-2022-3752

CVE-2022-3752 — An unauthorized user could use a specially crafted sequence of Ethernet/IP messa

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 unavai

CVSS
8.6 HIGH
EPSS
1.50% (top 19.00%)
CWE
CWE-20
Published
2022-12-19T22:23:36.836Z
Last modified
2025-04-16T14:28:03.254Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

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…

02Affected products

VendorProductVersions
Rockwell AutomationCompactLogix 548032.011 and later
Rockwell AutomationControlLogix 558031.011 and later
Rockwell AutomationGuardLogix 558031.011 and later
Rockwell AutomationCompact GuardLogix 538031.011 and later
Rockwell AutomationCompactLogix 538031.011 and later

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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