VULNERABILITY INTELLIGENCE

CVE-2012-0931

CVSS score9.8 CRITICAL

EPSS probability4.82%

CISA KEVNot currently listed

Published2012-01-28

Last modified2026-06-16

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-287: Improper Authentication

Primary references

cve@mitre.org — Not Applicable
cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Broken Link
cve@mitre.org — Third Party Advisory, VDB Entry
cve@mitre.org — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Not Applicable
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource