Executive Summary

Informations
Name CVE-2020-7540 First vendor Publication 2020-12-11
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A CWE-306: Missing Authentication for Critical Function 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 unauthenticated command execution in the controller when sending special HTTP requests.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7540

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 2
Os 1
Os 1
Os 1
Os 1
Os 1
Os 3
Os 3
Os 3
Os 1
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 2
Os 2
Os 2
Os 1
Os 1
Os 1

Sources (Detail)

https://www.se.com/ww/en/download/document/SEVD-2020-343-04/
Source Url

Alert History

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Date Informations
2024-11-28 13:48:17
  • Multiple Updates
2024-04-10 21:27:51
  • Multiple Updates
2024-04-10 17:27:48
  • Multiple Updates
2022-10-11 01:20:44
  • Multiple Updates
2020-12-15 05:22:51
  • Multiple Updates
2020-12-11 09:22:55
  • First insertion