CVE-2020-7535

mediumpriority · track · 31EPSS 0.015 · 74 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.49% (74th) EPSS

CVSS 5 · medium

Is it mine?

31 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal' Vulnerability Type) vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause disclosure of information when sending a specially crafted request to the controller over HTTP.

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

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22US

affected products (31)

Products and version ranges known to be affected.

n/a Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)≤ Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)enisa_euvdEU
Schneider Electric Modicon M340 CPU BMXP34≤ 3.30fstec_bduRU
Schneider Electric Modicon M340 Ethernet Communication modules BMXNOE0100 (H)≤ 3.4fstec_bduRU
Schneider Electric Modicon M340 Ethernet Communication modules BMXNOE0110 (H)≤ 6.6fstec_bduRU
Schneider Electric Modicon M340 Ethernet TCP/IP network module BMXNOC0401all versionsfstec_bduRU
Schneider Electric Modicon Premiumall versionsfstec_bduRU
Schneider Electric Modicon Premium with integrated Ethernet COPROall versionsfstec_bduRU
Schneider Electric Modicon Quantumall versionsfstec_bduRU
Schneider Electric Modicon Quantum communication modules 140NOE771x1≤ 7.3fstec_bduRU
Schneider Electric Modicon Quantum with integrated Ethernet COPROall versionsfstec_bduRU
schneider-electric 140cpu65150 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140cpu65150_firmware:*:*:*:*:*:*:*:*
schneider-electric 140cpu65160 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140cpu65160_firmware:*:*:*:*:*:*:*:*
schneider-electric 140noc77101 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140noc77101_firmware:*:*:*:*:*:*:*:*
schneider-electric 140noc78000 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140noc78000_firmware:*:*:*:*:*:*:*:*
schneider-electric 140noc78100 firmwareall versionsnvdUScpe:2.3:o:schneider-electric:140noc78100_firmware:*:*:*:*:*:*:*:*
schneider-electric 140noe77101 firmware< 7.3nvdUScpe:2.3:o:schneider-electric:140noe77101_firmware:*:*:*:*:*:*:*:*
schneider-electric 140noe77111 firmware< 7.3nvdUScpe:2.3:o:schneider-electric:140noe77111_firmware:*:*:*:*:*:*:*:*
schneider-electric bmxnoe0100 firmware< 3.4nvdUScpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:*
schneider-electric bmxnoe0110 firmware< 6.6nvdUScpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m340 bmxp341000 firmware< 3.30nvdUScpe:2.3:o:schneider-electric:modicon_m340_bmxp341000_firmware:*:*:*:*:*:*:*:*

showing 20 of 31

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 2020-12-11modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

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