{"id":"CVE-2014-0789","aliases":["EUVD-2014-0820","GHSA-qqfp-jq79-xh4v"],"status":"published","title":"Schneider Electric OPC Factory Server Buffer Overflow","description":"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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02471,"percentile":0.84621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-122"],"published":"2014-04-04T15:00:00Z","modified":"2026-06-17T00:03:38Z","products":[{"vendor":"schneider electric","product":"opc factory server (ofs)"},{"vendor":"schneider-electric","product":"opc_factory_server_tlxcdlfofs"},{"vendor":"schneider-electric","product":"opc_factory_server_tlxcdltofs"},{"vendor":"schneider-electric","product":"opc_factory_server_tlxcdluofs"},{"vendor":"schneider-electric","product":"opc_factory_server_tlxcdstofs"},{"vendor":"schneider-electric","product":"opc_factory_server_tlxcdsuofs"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-14-093-01"},{"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","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page"},{"url":"http://ics-cert.us-cert.gov/advisories/ICSA-14-093-01","tags":["x_refsource_MISC","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-0789"},{"url":"https://github.com/advisories/GHSA-qqfp-jq79-xh4v"}],"sources":{"cve":[{"id":"CVE-2014-0789","title":"Schneider Electric OPC Factory Server Buffer Overflow","description":"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.","status":"published","published":"2014-04-04T15:00:00Z","modified":"2025-09-25T17:45:27.086Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:33:47.741012Z"}],"euvd":[{"id":"EUVD-2014-0820","description":"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.","status":"published","published":"2014-04-04T15:00:00Z","modified":"2025-09-25T17:45:27Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium"}],"updated_at":"2026-11-02T20:31:39.520931Z"}],"ghsa":[{"id":"GHSA-qqfp-jq79-xh4v","title":"Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider...","description":"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.","status":"published","published":"2022-05-17T04:47:49Z","modified":"2025-09-25T18:30:28Z","cwes":["CWE-119","CWE-122"],"updated_at":"2026-11-02T15:03:45.893243Z"}],"nvd":[{"id":"CVE-2014-0789","description":"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.","status":"published","published":"2014-04-04T15:09:45.917Z","modified":"2026-06-17T00:03:38.537Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"secondary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-119"],"updated_at":"2026-11-02T14:02:53.710973Z"}]}}