Schneider Electric Modicon M340 CPU (part numbers BMXP34*)

CVE-2021-22786
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.63 % · percentile 50 ()
State
PUBLISHED
Published
Updated
Assigner
schneider
NVD status
Modified

Description

A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)

Weaknesses (CWE)

  • CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nschneider
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NNVD · cybersecurity@se.com (Secondary)
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Schneider Electric · Modicon M340 CPU (part numbers BMXP34*)affected All < V3.30
Schneider Electric · Modicon M580 CPU (part numbers BMEP* and BMEH*)affected All < V3.20
Schneider Electric · Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)affected All Versions
Schneider Electric · Modicon MC80 (BMKC80)affected All < V1.6
Schneider Electric · Modicon Momentum CPU (171CBU*)affected All < V2.3
Schneider Electric · Legacy Modicon Quantumaffected All Versions

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD