Executive Summary

Informations
Name CVE-2020-27488 First vendor Publication 2021-01-13
Vendor Cve Last vendor Modification 2021-01-21

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

Loxone Miniserver devices with firmware before 11.1 (aka 11.1.9.3) are unable to use an authentication method that is based on the "signature of the update package." Therefore, these devices (or attackers who are spoofing these devices) can continue to use an unauthenticated cloud service for an indeterminate time period (possibly forever). Once an individual device's firmware is updated, and authentication occurs once, the cloud service recategorizes the device so that authentication is subsequently always required, and spoofing cannot occur.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27488

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-287 Improper Authentication

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1

Sources (Detail)

Source Url
MISC https://iot-lab-fh-ooe.github.io/loxone_clouddns_schwachstelle/
https://iot-lab-fh-ooe.github.io/loxone_clouddns_vulnerability/
https://www.loxone.com/dede/sicherheit-cloud-dns/
https://www.loxone.com/enen/security-cloud-dns/

Alert History

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0
1
2
Date Informations
2021-01-21 21:23:26
  • Multiple Updates
2021-01-14 17:22:50
  • Multiple Updates
2021-01-14 00:22:51
  • First insertion