Executive Summary

Informations
Name CVE-2023-4020 First vendor Publication 2023-12-15
Vendor Cve Last vendor Modification 2024-09-25

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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4020

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

Sources (Detail)

https://community.silabs.com/069Vm0000004b95IAA
https://github.com/SiliconLabs/gecko_sdk/releases
Source Url

Alert History

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Date Informations
2024-09-25 21:27:53
  • Multiple Updates
2023-12-21 21:27:27
  • Multiple Updates
2023-12-18 17:27:23
  • Multiple Updates
2023-12-16 00:27:21
  • First insertion