CVE-2020-7489
Summary
| CVE | CVE-2020-7489 |
|---|---|
| State | PUBLISHED |
| Assigner | schneider |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-04-22 19:15:11 UTC |
| Updated | 2026-05-28 21:16:27 UTC |
| Description | A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Machine Expert – Basic or SoMachine Basic programming software (versions in security notification). The result of this vulnerability, DLL substitution, could allow the transference of malicious code to the controller. |
Risk And Classification
Primary CVSS: v3.1 9.8 CRITICAL from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.006700000 probability, percentile 0.716880000 (date 2026-06-01)
Problem Types: CWE-74 | CWE-74 CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | ADP | DECLARED | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Schneider-electric | Ecostruxure Machine Expert | All | All | All | All |
| Hardware | Schneider-electric | Modicon M100 | - | All | All | All |
| Operating System | Schneider-electric | Modicon M100 Firmware | All | All | All | All |
| Hardware | Schneider-electric | Modicon M200 | - | All | All | All |
| Operating System | Schneider-electric | Modicon M200 Firmware | All | All | All | All |
| Hardware | Schneider-electric | Modicon M221 | - | All | All | All |
| Operating System | Schneider-electric | Modicon M221 Firmware | All | All | All | All |
| Application | Schneider-electric | Somachine Basic | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | SoMachine Basic All VersionsEcoStruxure Machine Expert Basic All VersionsModicon M100 Logic Controller All VersionsModicon M200 Logic Controller All VersionsModicon M221 Logic Controller All Versions | affected SoMachine Basic (all versions)EcoStruxure Machine Expert – Basic (all versions)Modicon M100 Logic Controller (all versions)Modicon M200 Logic Controller (all versions)Modicon M221 Logic Controller (all versions) | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Notification - Modicon M100/M200/M221 controllers, SoMachine Basic and EcoStruxure Machine Expert | Schneider Electric | af854a3a-2127-422b-91ae-364da2661108 | www.se.com | Patch, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 591019 Schneider Electric Modicon M100/M200/M221 controllers Vulnerability (SEVD-2020-105-01)