CVE-2020-12033
mediumpriority · track · 35EPSS 0.011 · 65 %ileEURUUSEPSS · scored 2026-10-27
In Rockwell Automation FactoryTalk Services Platform, all versions, the redundancy host service (RdcyHost.exe) does not validate supplied identifiers, which could allow an unauthenticated, adjacent attacker to execute remote COM objects with elevated privileges.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationFactoryTalk Services Platformcisa_csaf_ot
Affected users are encouraged to use Rockwell Automation Knowledgebase article 25612 to determine if FactoryTalk Services Platform is installed. Those using the affected product are directed to implement a secure communication strategy as outlined in Rockwell Automation Knowledgebase article 109056.
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 · 5.8–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
- rockwellautomation factorytalk services platformall versionsnvdUScpe:2.3:a:rockwellautomation:factorytalk_services_platform:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-20-170-04Rockwell Automation FactoryTalk Services Platform2020-06-18icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow an unauthenticated attacker to execute remote COM objects with elevated privileges.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47205cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-12033cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2143/cnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-170-04cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-20-735/cnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-170-04enisa_euvd
- https://www.us-cert.gov/ics/advisories/icsa-20-170-04Third Party AdvisoryUS Government Resourcenvd
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