Uncontrolled search path in Schneider Electric SoMachine HVAC Programming Software
Priority MEDIUM 43CWE-427Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-427.
Summary
A DLL Hijacking vulnerability in the programming software in Schneider Electric's SoMachine HVAC v2.1.0 allows a remote attacker to execute arbitrary code on the targeted system. The vulnerability exists due to the improper loading of a DLL.
Why it matters now
EPSS 0.02441 84th 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 |
|---|---|---|---|---|---|
| Schneider Electric | SoMachine HVAC Programming Software | v2.1.0 for Modicon M171/M172 Controllers | — | No fix listed | CNA |
- SoMachine HVAC Programming Software VendorSchneider Electric Affected v2.1.0 for Modicon M171/M172 Controllers Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:somachine:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:somachine:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7966
- 2026-10-03 Alias added: GHSA-7hr2-2p6f-7h25
References
More Schneider Electric Somachine vulnerabilities
- TI-2013-00553 Multiple stack-based buffer overflows in ModbusDrv.exe in Schneider Electric Modbus… CVSS 2.0HIGH 9.3
- TI-2017-05213 Schneider Electric SoMachine Basic 1.4 SP1 and Schneider Electric Modicon TM221CE16R… CVSS 3.1CRITICAL 10.0
- TI-2020-06010 Insufficient verification of data authenticity in EcoStruxure Machine Expert SoMachine… CVSS 3.1CRITICAL 9.8
- TI-2020-06011 Cleartext transmission of sensitive information in EcoStruxure Machine Expert SoMachine… CVSS 3.1HIGH 7.5
- TI-2014-07468 Schneider Electric Device Type Managers (DTMs) Stack-based Buffer Overflow CVSS 2.0HIGH 7.5
- TI-2020-17150 Memory corruption in Modicon M258 Firmware and SoMachine/SoMachine Motion software CVSS 3.1MEDIUM 6.8
Sources
- CVE-2017-7966 · CVE Program
- CVE-2017-7966 · NVD
- FIRST EPSS
- GHSA-7hr2-2p6f-7h25 · GitHub Advisory Database · CC BY 4.0
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