Riskcovery

CVE-2019-6856

State
Published
Severity
7.5 High
Published
Jan 6, 2020
Updated
May 29, 2026
Reserved
Jan 25, 2019

Read the record on cve.org

Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when writing specific physical memory blocks using Modbus TCP.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

  • CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

ProductVersions
Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions)Schneider Electric SE
  • Modicon M580Affected
  • Modicon M340Affected
  • Modicon QuantumAffected
  • Modicon Premium (see security notification for specific versions)Affected

References

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