{"containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "OPC Factory Server (OFS)", "vendor": "Schneider Electric", "versions": [{"lessThanOrEqual": "TLXCDSUOFS33 \u2013 V3.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThanOrEqual": "TLXCDSTOFS33 \u2013 V3.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThanOrEqual": "TLXCDLUOFS33 \u2013 V3.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThanOrEqual": "TLXCDLTOFS33 \u2013 V3.5", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThanOrEqual": "TLXCDLFOFS33 \u2013 V3.5", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Wei Gao, formerly of IXIA"}], "datePublic": "2014-04-03T06:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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.</p>"}], "value": "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."}], "metrics": [{"cvssV2_0": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "CWE-122", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2025-09-25T17:45:27.086Z"}, "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-14-093-01"}, {"tags": ["x_refsource_CONFIRM"], "url": "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.xml"}, {"url": "http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>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\u2019s web site at the following URL:&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"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/?showAsIfr...</a></p><p>OFS V3.5SP1 includes a patched version of the OLE2T macro from Microsoft to resolve the issue.</p><p>For more information regarding this issue, please see the security announcements affecting the OPC Factory Server on Schneider Electric\u2019s web site at the following URL:&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page\">http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page</a></p>\n\n<br>"}], "value": "Schneider Electric has developed a patch to resolve this issue. 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