Insufficient verification of data authenticity in EcoStruxure Machine Expert SoMachine…
Priority MEDIUM 43CWE-345Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-345.
Summary
A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.
Why it matters now
EPSS 0.00692 53rd 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 |
|---|---|---|---|---|---|
| — | EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) | EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) | — | No fix listed | CNA |
- EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) Vendor— Affected EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions) Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
Show 1 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7487
- 2026-10-03 Alias added: GHSA-74wf-cr9v-5294
References
More Schneider Electric Ecostruxure Machine Expert vulnerabilities
- TI-2020-06012 Injection in SoMachine Basic EcoStruxure Machine Expert – Basic Modicon M100 Logic… CVSS 3.1CRITICAL 9.8
- TI-2021-05586 Path traversal in Harmony/HMI Products Configured by Vijeo Designer , Vijeo Designer… CVSS 3.1CRITICAL 9.1
- TI-2020-06011 Cleartext transmission of sensitive information in EcoStruxure Machine Expert SoMachine… CVSS 3.1HIGH 7.5
- TI-2021-05587 Memory corruption in Harmony HMI Products Configured by Vijeo Designer or EcoStruxure… CVSS 3.1HIGH 7.8
Sources
- CVE-2020-7487 · CVE Program
- CVE-2020-7487 · NVD
- FIRST EPSS
- GHSA-74wf-cr9v-5294 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences