CVE-2020-7488
mediumpriority · track · 30OT risk · elevatedEPSS 0.009 · 59 %ileEURUUSEPSS · scored 2026-10-23
A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
- n/a 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)enisa_euvdEU
- schneider-electric ecostruxure machine expertall versionsnvdUScpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:*
- schneider-electric modicon m218 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*
- schneider-electric modicon m241 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
- schneider-electric modicon m251 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
- schneider-electric modicon m258 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
- schneider-electric somachine motionall versionsnvdUScpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-7488cnnvd
- https://www.se.com/ww/en/download/document/SEVD-2020-105-02cnnvd
- https://www.se.com/ww/en/download/document/SEVD-2020-105-02/Patchcnnvd
- https://www.se.com/ww/en/download/document/SEVD-2020-105-02enisa_euvd
- https://www.se.com/ww/en/download/document/SEVD-2020-105-02Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan