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Vulnerability record · CVE-2012-0931 · published 28 January 2012

CVE-2012-0931: Schneider-electric modicon quantum plc improper authentication vulnerability

Schneider Electric · Modicon Quantum Plc

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.

9.8 CVSS 3.1 Critical EPSS 4.8% · top 8.3% CWE-287 · Improper authentication
9.8CVSS 3.1 base score, v2 7.5
4.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
16 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/47723 Not Applicable
http://www.securityfocus.com/bid/51605 Third Party AdvisoryVDB 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 AdvisoryVDB Entry
https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03 Third Party AdvisoryUS Government Resource
http://secunia.com/advisories/47723 Not Applicable
http://www.securityfocus.com/bid/51605 Third Party AdvisoryVDB 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 AdvisoryVDB Entry
https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.5CVE-2013-0664Schneider-electric modicon quantum plc vulnerabilityThe FactoryCast service on the Schneider Electric Quantum 140NOE77111 and 140NWM10000, M340 BMXNOE0110x, and Premium TSXETY5103 PLC modules allows re…EPSS 3.9%7.5CVE-2012-0929Schneider-electric modicon quantum plc memory buffer overflow vulnerabilityMultiple buffer overflows in Schneider Electric Modicon Quantum PLC allow remote attackers to cause a denial of service via malformed requests to the…EPSS 4.8%6.8CVE-2013-0663Schneider-electric modicon quantum plc cross-site request forgery vulnerabilityCross-site request forgery (CSRF) vulnerability on the Schneider Electric Quantum 140NOE77111, 140NOE77101, and 140NWM10000; M340 BMXNOC0401, BMXNOE0…EPSS 6.0%6.1CVE-2012-0930Schneider-electric modicon quantum plc cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in Schneider Electric Modicon Quantum PLC allows remote attackers to inject arbitrary web script or HTML via…EPSS 2.1%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed10.0CVE-2026-49869Kestra OSS auth bypass via path suffix match enables RCEKestra OSS AuthenticationFilter whitelists the public config endpoint using request.getPath().endsWith("/configs"), a suffix match instead of an exac…KEVEPSS 2.1%analysed

Source: NIST National Vulnerability Database (record CVE-2012-0931), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.