CVE-2019-6820

mediumpriority · track · 33OT risk · elevatedEPSS 0.013 · 69 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.25% (69th) EPSS

CVSS 6.4 · medium

Is it mine?

25 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-23

A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2

cvss

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

8.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–8.2

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 4.2

v3.17.1highAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · FSTEC (BDU) RU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondary · ENISA EU

v3.18.2highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:Hsecondaryexploitability 3.9 · impact 4.2

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306US

affected products (25)

Products and version ranges known to be affected.

n/a Modicon and PacDrive Controller, All versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2≤ Modicon and PacDrive Controller, All versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2enisa_euvdEU
Schneider Electric ATV IMC drive controllerall versionsfstec_bduRU
Schneider Electric Modicon LMC058all versionsfstec_bduRU
Schneider Electric Modicon LMC078all versionsfstec_bduRU
Schneider Electric Modicon M100all versionsfstec_bduRU
Schneider Electric Modicon M200all versionsfstec_bduRU
Schneider Electric Modicon M221all versionsfstec_bduRU
Schneider Electric Modicon M241all versionsfstec_bduRU
Schneider Electric Modicon M251all versionsfstec_bduRU
Schneider Electric Modicon M258all versionsfstec_bduRU
Schneider Electric PacDrive Ecoall versionsfstec_bduRU
Schneider Electric PacDrive Proall versionsfstec_bduRU
Schneider Electric PacDrive Pro2all versionsfstec_bduRU
schneider-electric atv imc drive controller firmwareall versionsnvdUScpe:2.3:o:schneider-electric:atv_imc_drive_controller_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon lmc058 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_lmc058_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon lmc078 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_lmc078_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m100 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m200 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m221 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m241 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*

showing 20 of 25

also known as (5)

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 2019-05-22modified 2026-06-17

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references (4)

External citations — patches, advisories, analysis.

scry

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