CVE-2020-7543CWE-754

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum &…

published December 11, 2020

CVSS
—
EPSS
1%
Percentile
71.0
In the wild
Unconfirmed
What it is

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01338 · 71.0th percentile
Weakness
CWE-754 · Improper Check for Unusual or Exceptional Conditions
Published
2020-12-11T00:52Z
EPSS history
Timeline
  • 11 DEC 00:52Z
    A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum &…
    cvelistv5