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Vulnerability record · CVE-2011-5163 · published 15 September 2012

CVE-2011-5163: Mitsubishi-automation mx4 scada memory buffer overflow vulnerability

Mitsubishi Automation · Mx4 Scada

Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequence.

4.6 CVSS 2.0 Medium EPSS 0.47% · top 61.8% CWE-119 · Memory buffer overflow
4.6CVSS 2.0 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequence.

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

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

References

LinkTags
http://secunia.com/advisories/46779 Vendor Advisory
http://secunia.com/advisories/46786 Vendor Advisory
http://www.citect.com/citectscada-batch
http://www.osvdb.org/76937
http://www.securitytracker.com/id?1026306
http://www.us-cert.gov/control_systems/pdf/ICSA-11-279-02.pdf US Government Resource
https://my.mitsubishi-automation.com/downloads_show.php?portal_id=1&doc_type=safety&scat=2&sstr=MX4%2CSCADA
http://secunia.com/advisories/46779 Vendor Advisory
http://secunia.com/advisories/46786 Vendor Advisory
http://www.citect.com/citectscada-batch
http://www.osvdb.org/76937
http://www.securitytracker.com/id?1026306
http://www.us-cert.gov/control_systems/pdf/ICSA-11-279-02.pdf US Government Resource
https://my.mitsubishi-automation.com/downloads_show.php?portal_id=1&doc_type=safety&scat=2&sstr=MX4%2CSCADA

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2011-5163), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.