Auth bypass in Schneider-Electric Modicon Quantum Plc
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.048 · change: -0.001
Affected products
Weakness classification (CWE)
References
- www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf (Broken Link)
- www.securityfocus.com/bid/51605 (VDB Entry, Third Party Advisory, vdb-entry)
- secunia.com/advisories/47723 (Not Applicable, third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/72586 (VDB Entry, Third Party Advisory, vdb-entry)
- us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-0931?
- CVE-2012-0931 is a critical-severity vulnerability in Schneider-Electric Modicon Quantum Plc, classified under Improper Authentication. CVSS score: 9.8/10. Published 2012-01-28.
- How severe is CVE-2012-0931?
- Critical severity. CVSS v3 base score is 9.8 out of 10.