Executive Summary

Informations
Name CVE-2020-11684 First vendor Publication 2020-09-14
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:N
Overall CVSS Score 9.1
Base Score 9.1 Environmental Score 9.1
impact SubScore 5.2 Temporal Score 9.1
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 None
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:N)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

AT91bootstrap before 3.9.2 does not properly wipe encryption and authentication keys from memory before passing control to a less privileged software component. This can be exploited to disclose these keys and subsequently encrypt and sign the next boot stage (such as the bootloader).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11684

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-212 Improper Cross-boundary Removal of Sensitive Data

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

https://github.com/linux4sam/at91bootstrap/commit/45419497309ffbf27c17ea79384...
https://labs.f-secure.com/advisories/microchip-at91bootstrap/
Source Url

Alert History

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Date Informations
2024-11-28 13:38:20
  • Multiple Updates
2021-08-05 01:36:34
  • Multiple Updates
2021-07-21 17:23:26
  • Multiple Updates
2021-05-04 13:45:24
  • Multiple Updates
2021-04-22 02:57:14
  • Multiple Updates
2021-04-08 21:23:09
  • Multiple Updates
2020-09-17 21:23:10
  • Multiple Updates
2020-09-14 21:23:07
  • First insertion