Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-26556 First vendor Publication 2021-05-24
Vendor Cve Last vendor Modification 2021-09-29

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 5.9 Temporal Score 7.5
Exploitabality Sub Score 1.6
 
Attack Vector Adjacent Attack Complexity High
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:A/AC:M/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.9 Attack Range Adjacent network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 5.5 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26556

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-307 Improper Restriction of Excessive Authentication Attempts (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 2

Sources (Detail)

Source Url
CERT-VN https://www.kb.cert.org/vuls/id/799380
MISC https://kb.cert.org/vuls/id/799380
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-secu...

Alert History

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Date Informations
2021-09-29 13:23:24
  • Multiple Updates
2021-06-03 21:23:12
  • Multiple Updates
2021-05-29 01:39:53
  • Multiple Updates
2021-05-29 01:36:00
  • Multiple Updates
2021-05-28 17:22:49
  • Multiple Updates
2021-05-25 00:22:48
  • First insertion