CVE-2014-0789
highpriority · track · 32EPSS 0.025 · 84 %ileEUUSEPSS · scored 2026-10-28
Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationTLXCDLFOFS33cisa_csaf_ot
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: (http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true)
http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true - MitigationTLXCDLTOFS33cisa_csaf_ot
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: (http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true)
http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true - MitigationTLXCDLUOFS33cisa_csaf_ot
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: (http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true)
http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true - MitigationTLXCDSTOFS33cisa_csaf_ot
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: (http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true)
http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true - MitigationTLXCDSUOFS33cisa_csaf_ot
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: (http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true)
http://www.schneider-electric.com/download/WW/EN/results/0/0/8336568-OPC-Factory-Server/0/?showAsIframe=true
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 · 5–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (20)
Products and version ranges known to be affected.
- schneider-electric opc factory server tlxcdlfofs≤ 3.35nvdUScpe:2.3:h:schneider-electric:opc_factory_server_tlxcdlfofs:*:*:*:*:*:*:*:*
- schneider-electric opc factory server tlxcdltofs≤ 3.35nvdUScpe:2.3:h:schneider-electric:opc_factory_server_tlxcdltofs:*:*:*:*:*:*:*:*
- schneider-electric opc factory server tlxcdluofs≤ 3.35nvdUScpe:2.3:h:schneider-electric:opc_factory_server_tlxcdluofs:*:*:*:*:*:*:*:*
- schneider-electric opc factory server tlxcdstofs≤ 3.35nvdUScpe:2.3:h:schneider-electric:opc_factory_server_tlxcdstofs:*:*:*:*:*:*:*:*
- schneider-electric opc factory server tlxcdsuofs≤ 3.35nvdUScpe:2.3:h:schneider-electric:opc_factory_server_tlxcdsuofs:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-14-093-01Schneider Electric OPC Factory Server Buffer Overflow2014-01-04icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
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.
- http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01cnnvd
- http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xmlcnnvd
- http://www.schneider-electric.com/site/home/index.cfm/ww/Patchcnnvd
- http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xmlenisa_euvd
- http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.pageenisa_euvd
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-093-01enisa_euvd
- http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01US Government Resourcenvd
- http://www.schneider-electric.com/corporate/en/support/cybersecurity/viewer-news.page?c_filepath=/templatedata/Content/News/data/en/local/cybersecurity/general_information/2014/03/20140325_vulnerability_disclosure_opc_factory_server.xmlVendor Advisorynvd
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