{"cve":"CVE-2012-0931","nvd":{"published":"2012-01-28T01:55:01.593","modified":"2026-06-16T23:38:31.833","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-287"],"references":["http://secunia.com/advisories/47723","http://www.securityfocus.com/bid/51605","http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf","https://exchange.xforce.ibmcloud.com/vulnerabilities/72586","https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03"],"products":["schneider-electric:modicon_quantum_plc"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2012-0931","score":0.04822,"percentile":0.91979,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}