CVE-2022-3752

Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack

HIGH
7.5
CVSS Score
Published: December 19, 2022 at 10:23 PM UTC
Updated: June 17, 2026 at 05:00 AM UTC
11 products affected across 1 vendorGuardlogix 5580 FirmwareCompactlogix 5380 FirmwareCompact Guardlogix 5380 Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20NVD-CWE-noinfo

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