CVE-2020-12038
mediumpriority · track · 23EPSS 0.026 · 85 %ileEUUSEPSS · scored 2026-10-27
Products that use EDS Subsystem: Version 28.0.1 and prior (FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and prior) is vulnerable. A memory corruption vulnerability exists in the algorithm that matches square brackets in the EDS subsystem. This may allow an attacker to craft specialized EDS files to crash the EDSParser COM object, leading to denial-of-service conditions.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationFactoryTalk Linx software (Previously called RSLinx Enterprise)cisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
- MitigationRSLinx Classiccisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
- MitigationRSNetWorx softwarecisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
- MitigationStudio 5000 Logix Designer softwarecisa_csaf_ot
Locate control system networks and devices behind firewalls and isolate them from the business network.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (16)
Products and version ranges known to be affected.
- n/a EDS Subsystem, FactoryTalk Linx software (Previously called RSLinx Enterprise), RSLinx Classic, RSNetWorx software, Studio 5000 Logix Designer software≤ EDS Subsystem: Version 28.0.1 and prior, FactoryTalk Linx software (Previously called RSLinx Enterprise): Versions 6.00, 6.10, and 6.11, RSLinx Classic: Version 4.11.00 and prior, RSNetWorx software: Version 28.00.00 and prior, Studio 5000 Logix Designer software: Version 32 and priorenisa_euvdEU
- rockwellautomation eds subsystem≤ 28.0.1nvdUScpe:2.3:a:rockwellautomation:eds_subsystem:*:*:*:*:*:*:*:*
- rockwellautomation rslinx enterprise= 6.00.00nvdUScpe:2.3:a:rockwellautomation:rslinx_enterprise:*:*:*:*:*:*:*:*
- rockwellautomation rslinx enterprise= 6.10.00nvdUScpe:2.3:a:rockwellautomation:rslinx_enterprise:*:*:*:*:*:*:*:*
- rockwellautomation rslinx enterprise= 6.11.00nvdUScpe:2.3:a:rockwellautomation:rslinx_enterprise:*:*:*:*:*:*:*:*
- rockwellautomation studio 5000 logix designer≤ 32.0nvdUScpe:2.3:a:rockwellautomation:studio_5000_logix_designer:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-20-140-01Rockwell Automation EDS Subsystem2020-05-19icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities 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 (5)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-12038cnnvd
- https://www.rockwellautomation.com/Patchcnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-140-01cnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-140-01enisa_euvd
- https://www.us-cert.gov/ics/advisories/icsa-20-140-01MitigationPatchThird Party AdvisoryUS Government Resourcenvd
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