Stack-based buffer overflow in the GoAhead Web Server on Schneider Electric Modicon M340…
Priority MEDIUM 53CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.07351 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:schneider-electric:bmxnoc0401:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnoe0100:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnoe0100h:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnoe0110:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnoe0110h:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnor0200:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:bmxpra0100:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020h:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
- cpe:2.3:h:schneider-electric:bmxnoc0401:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnoe0100:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnoe0100h:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnoe0110:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnoe0110h:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnor0200:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:bmxpra0100:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340_bmxp342020h:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:schneider-electric:modicon_m340_bmxp342030:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302h:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Schneider Electric |
- cpe:2.3:h:schneider-electric:modicon_m340_bmxp342030:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340_bmxp3420302h:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-7937
- 2026-10-03 Alias added: GHSA-8wr7-595h-8jxh
References
Sources
- CVE-2015-7937 · CVE Program
- CVE-2015-7937 · NVD
- FIRST EPSS
- GHSA-8wr7-595h-8jxh · GitHub Advisory Database · CC BY 4.0
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