CVE-2022-1797
A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable fault.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A malformed Class 3 common industrial protocol message with a cached connection can cause a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major nonrecoverable 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.
- CVSS 3.1
- 8.6 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- EPSS
- 2.08% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- rockwellautomation/compactlogix 5380 firmware · rockwellautomation/compact guardlogix 5380 firmware · rockwellautomation/compactlogix 5480 firmware · rockwellautomation/controllogix 5580 firmware · rockwellautomation/guardlogix 5580 firmware · rockwellautomation/compactlogix 5370 firmware · rockwellautomation/compact guardlogix 5370 firmware · rockwellautomation/controllogix 5570 firmware · rockwellautomation/guardlogix 5570 firmware
- Source
- ics-cert@hq.dhs.gov
References
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559Permissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01Third Party Advisory, US Government Resource
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559Permissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.