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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public 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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.22% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- rockwellautomation/compactlogix 5480 firmware · rockwellautomation/compactlogix 5580 firmware · rockwellautomation/guardlogix 5580 firmware · rockwellautomation/compact guardlogix 5380 firmware · rockwellautomation/compactlogix 5380 firmware
- Source
- PSIRT@rockwellautomation.com
References
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137664Permissions Required, Vendor Advisory
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137664Permissions Required, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.