Is CVE-2012-0931 being actively exploited?

CVE-2012-0931 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-0931?

CVE-2012-0931 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2012-0931

CRITICAL · CVSS 9.8EPSS 4.8%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-287
EPSS score: 4.8% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-0954)
Published: January 28, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-0954 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

schneider-electric / modicon quantum plc

References

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

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain