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-2021-45970 First vendor Publication 2022-01-05
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Overall CVSS Score 8.2
Base Score 8.2 Environmental Score 8.2
impact SubScore 6 Temporal Score 8.2
Exploitabality Sub Score 1.5
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in IdeBusDxe in Insyde InsydeH2O with kernel 5.1 before 05.16.25, 5.2 before 05.26.25, 5.3 before 05.35.25, 5.4 before 05.43.25, and 5.5 before 05.51.25. A vulnerability exists in the SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer (the status code saved at the CommBuffer+4 location).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45970

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 40
Os 1

Sources (Detail)

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220216-0004/
https://www.insyde.com/security-pledge
Source Url

Alert History

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Date Informations
2024-11-28 14:03:14
  • Multiple Updates
2023-11-10 13:16:20
  • Multiple Updates
2023-11-10 02:18:10
  • Multiple Updates
2023-08-23 02:14:59
  • Multiple Updates
2023-08-16 02:09:57
  • Multiple Updates
2023-08-15 02:09:59
  • Multiple Updates
2022-03-29 21:23:08
  • Multiple Updates
2022-02-24 21:23:10
  • Multiple Updates
2022-02-17 09:23:09
  • Multiple Updates
2022-02-10 00:23:12
  • Multiple Updates
2022-02-09 17:23:09
  • Multiple Updates
2022-01-14 00:22:57
  • Multiple Updates
2022-01-06 17:22:53
  • Multiple Updates
2022-01-06 05:22:56
  • First insertion