CVE-2020-7487

highpriority · track · 39OT risk · elevatedEPSS 0.007 · 52 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (52nd) EPSS

CVSS 7.5 · high

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.4–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.15.4mediumAV:A/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-345USprimaryCWE-345US

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 Expert≤ 1.2fstec_bduRU
Schneider Electric Modicon M218all versionsfstec_bduRU
Schneider Electric Modicon M241≤ 5.0.8.4fstec_bduRU
Schneider Electric Modicon M251≤ 5.0.8.4fstec_bduRU
Schneider Electric Modicon M258≤ 5.0.4.11fstec_bduRU
Schneider Electric SoMachine Motionall versionsfstec_bduRU
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 somachineall versionsnvdUScpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:*
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.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-04-22modified 2026-06-17

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+1417 more

references (5)

External citations — patches, advisories, analysis.

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