Vulnerability Monitor

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CVE-2015-7937

Stack-based buffer overflow in the GoAhead Web Server on Schneider Electric Modicon M340 PLC BMXNOx and BMXPx devices allows remote attackers to execute arbitrary code via a long password in HTTP Basic Authentication data.

Security Impact Summary

CVE-2015-7937 is a security vulnerability that . Impacting 13 products from schneider-electric, from schneider-electric, from schneider-electric and 10 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-12-21T11:59:12.097

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 10.0 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	schneider-electric	bmxnoc0401	-	Yes
Hardware	schneider-electric	bmxnoe0100	-	Yes
Hardware	schneider-electric	bmxnoe0100h	-	Yes
Hardware	schneider-electric	bmxnoe0110	-	Yes
Hardware	schneider-electric	bmxnoe0110h	-	Yes
Hardware	schneider-electric	bmxnor0200	-	Yes
Hardware	schneider-electric	bmxnor0200h	-	Yes
Hardware	schneider-electric	bmxpra0100	-	Yes
Hardware	schneider-electric	modicon_m340_bmxp342020	-	Yes
Hardware	schneider-electric	modicon_m340_bmxp342020h	-	Yes
Hardware	schneider-electric	modicon_m340_bmxp342030	-	Yes
Hardware	schneider-electric	modicon_m340_bmxp3420302	-	Yes
Hardware	schneider-electric	modicon_m340_bmxp3420302h	-	Yes

References

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01 Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/79622 ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01 Third Party Advisory, US Government Resource ([email protected])
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79622 (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For schneider-electric's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.