CVE-2022-46670
mediumpriority · track · 24EPSS 0.006 · 48 %ileEURUUSEPSS · scored 2026-10-27
Rockwell Automation was made aware of a vulnerability by a security researcher from Georgia Institute of Technology that the MicroLogix 1100 and 1400 controllers contain a vulnerability that may give an attacker the ability to accomplish remote code execution. The vulnerability is an unauthenticated stored cross-site scripting vulnerability in the embedded webserver. The payload is transferred to the controller over SNMP and is rendered on the homepage of the embedded website.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationMicroLogix 1100cisa_csaf_ot
Configure firewalls to disallow network communication through HTTP/Port 802
- MitigationMicroLogix 1400 Acisa_csaf_ot
Configure firewalls to disallow network communication through HTTP/Port 802
- MitigationMicroLogix 1400 B/Ccisa_csaf_ot
Configure firewalls to disallow network communication through HTTP/Port 802
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 · 5.6–7.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
- rockwellautomation micrologix 1100 firmwareall versionsnvdUScpe:2.3:o:rockwellautomation:micrologix_1100_firmware:*:*:*:*:*:*:*:*
- rockwellautomation micrologix 1400 firmwareall versionsnvdUScpe:2.3:o:rockwellautomation:micrologix_1400_firmware:*:*:*:*:*:*:*:*
- rockwellautomation micrologix 1400-a firmware≤ 7.000nvdUScpe:2.3:o:rockwellautomation:micrologix_1400-a_firmware:*:*:*:*:*:*:*:*
- rockwellautomation micrologix 1400-b firmware≤ 21.007nvdUScpe:2.3:o:rockwellautomation:micrologix_1400-b_firmware:*:*:*:*:*:*:*:*
- rockwellautomation micrologix 1400-c firmware≤ 21.007nvdUScpe:2.3:o:rockwellautomation:micrologix_1400-c_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-22-354-04Rockwell Automation MicroLogix 1100 and 14002022-12-20icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could create a denial-of-service condition or allow for remote code execution.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-46670/cnnvd
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137679cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-22-354-04cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.6637cnnvd
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137679enisa_euvd
- https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1137679Vendor Advisorynvd
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