CVE-2015-7937
highpriority · track · 43EPSS 0.074 · 94 %ileEURUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationModicon M340 PLCcisa_csaf_ot
Install firmware newer than January 16, 2016.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (41)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-15-351-01Schneider Electric Modicon M340 Buffer Overflow Vulnerability2015-09-19icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01cnnvd
- http://www.securityfocus.com/bid/79622cnnvd
- https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01cnnvd
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01enisa_euvd
- http://www.securityfocus.com/bid/79622enisa_euvd
- https://ics-cert.us-cert.gov/advisories/ICSA-15-351-01enisa_euvd
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2015-344-01Vendor Advisorynvd
- http://www.securityfocus.com/bid/79622nvd
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