CVE-2022-1797
highpriority · track · 35EPSS 0.022 · 82 %ileEUUSEPSS · scored 2026-10-26
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationCompact GuardLogix 5370 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationCompact GuardLogix 5380 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationCompactLogix 5370 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationCompactLogix 5380 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationCompactLogix 5480 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationControlLogix 5570 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationControlLogix 5580 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationGuardLogix 5570 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
- MitigationGuardLogix 5580 controllerscisa_csaf_ot
CompactLogix 5370, Compact GuardLogix 5370, ControlLogix 5570, GuardLogix 5570: Upgrade to v34.011 firmware
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.6
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (36)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-22-144-01Rockwell Automation Logix Controllers2022-05-24icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability may allow an unauthorized user to send malicious messages to the targeted device, which could lead to a denial-of-service condition.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://compatibility.rockwellautomation.com/Pages/home.aspxPatchcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-1797/cnnvd
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-22-144-01cnnvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022052504cnnvd
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1135559enisa_euvd
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-144-01enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan