CVE-2022-3752
Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Rockwell Automation GuardLogix and ControlLogix controllers Vulnerable to Denial-Of-Service Attack
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.
- Record
CVE-2022-3752- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2022-43107
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.
- Record
EUVD-2022-43107- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q432-7rqq-8cfj
An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined...
An unauthorized user could use a specially crafted sequence of Ethernet/IP messages, combined with heavy traffic load to cause a denial-of-service condition resulting in a denial-of-service condition. 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.
- Record
GHSA-q432-7rqq-8cfj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-3752- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- rockwell automation compact guardlogix 5380
- rockwell automation compactlogix 5380
- rockwell automation compactlogix 5480
- rockwell automation controllogix 5580
- rockwell automation guardlogix 5580
- rockwellautomation compact guardlogix 5380 firmware
- rockwellautomation compactlogix 5380 firmware
- rockwellautomation compactlogix 5480 firmware
- rockwellautomation compactlogix 5580 firmware
- rockwellautomation guardlogix 5580 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-3752 is a high vulnerability (CVSS 8.6) in Rockwell Automation Compact Guardlogix 5380, published December 19, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.