// For flags

CVE-2021-41840

 

Severity Score

8.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere.

Se ha descubierto un problema en NvmExpressDxe en el kernel versión 5.0 hasta la versión 5.5 de InsydeH2O. Hay una llamada SMM que permite a un atacante acceder al modo de gestión del sistema y ejecutar código arbitrario. Esto ocurre debido a la inclusión de funcionalidad desde una esfera de control no confiable

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-01 CVE Reserved
  • 2022-02-03 CVE Published
  • 2023-09-24 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.2 < 5.23.35
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.2 < 5.23.35"
-
Affected
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.3 < 5.32.35
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.3 < 5.32.35"
-
Affected
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.4 < 5.40.35
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.4 < 5.40.35"
-
Affected