CVE-2020-7549CWE-754

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and…

High · published December 11, 2020

CVSS v3.1
7.5
EPSS
1%
Percentile
64.8
In the wild
Unconfirmed
What it is

A CWE-754: Improper Check for Unusual or Exceptional Conditions 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 denial of HTTP and FTP services when a series of specially crafted requests is sent to the controller over HTTP.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01078 · 64.8th 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 the Web Server on Modicon M340, Legacy Offers Modicon Quantum and…
    cvelistv5