{"id":"CVE-2012-0931","aliases":["EUVD-2012-0954","GHSA-348g-3f7x-jvgj"],"status":"published","title":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software...","description":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04822,"percentile":0.92043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2012-01-28T01:00:00Z","modified":"2026-06-16T23:38:31Z","products":[{"vendor":"schneider-electric","product":"modicon_quantum_plc"}],"references":[{"url":"http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"http://www.securityfocus.com/bid/51605","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://secunia.com/advisories/47723","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Not Applicable"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/72586","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0931"},{"url":"https://github.com/advisories/GHSA-348g-3f7x-jvgj"}],"sources":{"cve":[{"id":"CVE-2012-0931","description":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.","status":"published","published":"2012-01-28T01:00:00Z","modified":"2024-08-06T18:38:15.007Z","updated_at":"2026-11-02T14:34:52.981189Z"}],"euvd":[{"id":"EUVD-2012-0954","description":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.","status":"published","published":"2012-01-28T01:00:00Z","modified":"2024-08-06T18:38:15Z","updated_at":"2026-11-03T01:56:19.286375Z"}],"ghsa":[{"id":"GHSA-348g-3f7x-jvgj","title":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software...","description":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.","status":"published","published":"2022-05-13T01:25:11Z","modified":"2023-02-01T05:07:23Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:50:31.687075Z"}],"nvd":[{"id":"CVE-2012-0931","description":"Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.","status":"published","published":"2012-01-28T01:55:01.593Z","modified":"2026-06-16T23:38:31.833Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:13.468343Z"}]}}