// For flags

CVE-2020-5956

 

Severity Score

7.5
*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 SdLegacySmm in Insyde InsydeH2O with kernel 5.1 before 05.15.11, 5.2 before 05.25.11, 5.3 before 05.34.11, and 5.4 before 05.42.11. The software SMI handler allows untrusted external input because it does not verify CommBuffer.

Se ha detectado un problema en SdLegacySmm en InsydeH2O con el kernel 5.1 anteriores a 05.15.11, 5.2 anteriores a 05.25.11, 5.3 anteriores a 05.34.11 y 5.4 anteriores a 05.42.11. El manejador SMI de software permite una entrada externa no confiable porque no verifica el CommBuffer.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-06 CVE Reserved
  • 2022-01-05 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-09-20 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
References (2)
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 < 5.25.11
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.2 < 5.25.11"
-
Affected
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.1 < 05.15.11
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.1 < 05.15.11"
-
Affected
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.3 < 05.34.11
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.3 < 05.34.11"
-
Affected
Insyde
Search vendor "Insyde"
Insydeh2o
Search vendor "Insyde" for product "Insydeh2o"
>= 5.4 < 05.42.11
Search vendor "Insyde" for product "Insydeh2o" and version " >= 5.4 < 05.42.11"
-
Affected