What’s Vulnerable › Vulnerabilities

CVE-2012-0931

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-01-28 · updated 2026-06-16
• Weakness: CWE-287

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.

Affected products

• Schneider-Electric Modicon Quantum Plc: all versions

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
• 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

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