CVE-2019-6852

mediumpriority · track · 30EPSS 0.014 · 72 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.38% (72nd) EPSS

CVSS 5 · medium

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A CWE-200: Information Exposure vulnerability exists in Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions), which could cause the disclosure of FTP hardcoded credentials when using the Web server of the controller on an unsecure network.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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-200USprimaryCWE-200US

affected products (19)

Products and version ranges known to be affected.

Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ Quantum communication modules - see security notification for specific versions)enisa_euvdEU
Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ M340 communication modulesenisa_euvdEU
Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ Premium CPUsenisa_euvdEU
Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ Premium communication modulesenisa_euvdEU
Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ Quantum CPUsenisa_euvdEU
Schneider Electric Modicon Controllers (M340 CPUs, M340 communication modules, Premium CPUs, Premium communication modules, Quantum CPUs, Quantum communication modules - see security notification for specific versions)≤ Modicon Controllers (M340 CPUsenisa_euvdEU
Schneider Electric Modicon M340all versionsfstec_bduRU
Schneider Electric Modicon Premiumall versionsfstec_bduRU
Schneider Electric Modicon Quantumall versionsfstec_bduRU
schneider-electric 140 cpu6x firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140_cpu6x_firmware:*:*:*:*:*:*:*:*
schneider-electric 140 noc 77101 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140_noc_77101_firmware:*:*:*:*:*:*:*:*
schneider-electric 140 noc 78x00 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140_noc_78x00_firmware:*:*:*:*:*:*:*:*
schneider-electric 140 noe 771x1 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140_noe_771x1_firmware:*:*:*:*:*:*:*:*
schneider-electric bmx noc 0401 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:bmx_noc_0401_firmware:*:*:*:*:*:*:*:*
schneider-electric bmx noe 0100 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:bmx_noe_0100_firmware:*:*:*:*:*:*:*:*
schneider-electric bmx noe 0110 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:bmx_noe_0110_firmware:*:*:*:*:*:*:*:*
schneider-electric bmx p34x firmwareall versionsnvdUScpe:2.3:o:schneider-electric:bmx_p34x_firmware:*:*:*:*:*:*:*:*
schneider-electric tsx ety x103 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:tsx_ety_x103_firmware:*:*:*:*:*:*:*:*
schneider-electric tsx p57x firmwareall versionsnvdUScpe:2.3:o:schneider-electric:tsx_p57x_firmware:*:*:*:*:*:*:*:*

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 2019-11-20modified 2026-06-17

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+19386 more

references (6)

External citations — patches, advisories, analysis.

scry

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