CVE-2015-7937

Bmxnoc0401 vulnerability

CVSS

10.0

EPSS

7.4%

EPSS pct

94th

Exploited

No known

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.

Affected vendor

Schneider Electric

Affected product

Bmxnoc0401

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2015-12-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 7.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2015-7937

Confirm whether Schneider Electric Bmxnoc0401 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-7937.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-7937

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-7937 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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