Schneider Electric Modicon M340 GoAhead Webserver Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2015-7937)

info Tenable OT Security Plugin ID 502190


The remote OT asset is affected by a vulnerability.


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.

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Refer to the vendor advisory.

See Also

Plugin Details

Severity: Info

ID: 502190

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 4/11/2024

Updated: 4/12/2024

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2015-7937

Vulnerability Information

CPE: cpe:/h:schneider-electric:bmxnoc0401:-, cpe:/h:schneider-electric:bmxnoe0100:-, cpe:/h:schneider-electric:bmxnoe0100h:-, cpe:/h:schneider-electric:bmxnoe0110:-, cpe:/h:schneider-electric:bmxnoe0110h:-, cpe:/h:schneider-electric:bmxnor0200:-, cpe:/h:schneider-electric:bmxnor0200h:-, cpe:/h:schneider-electric:bmxpra0100:-, cpe:/h:schneider-electric:modicon_m340_bmxp342020:-, cpe:/h:schneider-electric:modicon_m340_bmxp342020h:-, cpe:/h:schneider-electric:modicon_m340_bmxp3420302:-, cpe:/h:schneider-electric:modicon_m340_bmxp3420302h:-, cpe:/h:schneider-electric:modicon_m340_bmxp342030:-

Required KB Items: Tenable.ot/Schneider

Exploit Ease: No known exploits are available

Patch Publication Date: 12/21/2015

Vulnerability Publication Date: 12/21/2015

Reference Information

CVE: CVE-2015-7937

CWE: 119