CVE-2012-0931
9.8
CRITICAL · CVSS 3.1 · EPSS 4.8% (pctl 92)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.82% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2012-01-28 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| schneider-electric | modicon quantum plc |
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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