CVE-2012-0931

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.

• CWE-287

• http://secunia.com/advisories/47723Not Applicable
• http://www.securityfocus.com/bid/51605Third Party Advisory, VDB Entry
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdfBroken Link
• https://exchange.xforce.ibmcloud.com/vulnerabilities/72586Third Party Advisory, VDB Entry
• https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03Third Party Advisory, US Government Resource
• http://secunia.com/advisories/47723Not Applicable
• http://www.securityfocus.com/bid/51605Third Party Advisory, VDB Entry
• http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdfBroken Link
• https://exchange.xforce.ibmcloud.com/vulnerabilities/72586Third Party Advisory, VDB Entry
• https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03Third Party Advisory, US Government Resource

Published

Jan 28, 2012

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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