CVE-2020-5955

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 03-11-2021 02:15

Last modified: - 12-04-2022 08:05

Total changes: - 2

Description

An issue was discovered in Int15MicrocodeSmm in Insyde InsydeH2O before 2021-10-14 on Intel client chipsets. A caller may be able to escalate privileges.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

9.8

Base score

3.9

5.9

Exploitability score

Impact score

Verification logic

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.32.30.0001

vendor=intel AND product=ice_lake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.41.35.0001

vendor=intel AND product=tiger_lake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.42.11.0026

vendor=intel AND product=whitley-sp AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.04.21.0068

vendor=intel AND product=grantley-ep AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.42.09.0003

vendor=intel AND product=elkhart_lake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.21.51.0040

vendor=intel AND product=purley-ep_refresh_neon_city AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.34.09.0030

vendor=intel AND product=comet_lake_rvp AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.34.09.0030

vendor=intel AND product=comet_lake_rvp AND version=- AND software_edition=server

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.32.47.0001

vendor=intel AND product=comet_lake AND version=- AND software_edition=client

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.45.0023

vendor=intel AND product=whiskey_lake_rvp AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.45.0023

vendor=intel AND product=whiskey_lake_rvp AND version=- AND software_edition=server

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.21.43.0001

vendor=intel AND product=whiskey_lake AND version=- AND software_edition=client

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.04.0045

vendor=intel AND product=mehlow AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.04.0045

vendor=intel AND product=mehlow-r AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.04.0045

vendor=intel AND product=mehlow-r AND version=- AND software_edition=server

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.04.0045

vendor=intel AND product=mehlow AND version=- AND software_edition=server

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.21.43.0001

vendor=intel AND product=coffee_lake AND version=- AND software_edition=client

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.21.43.0001

vendor=intel AND product=cannon_lake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.11.26.0015

vendor=intel AND product=kaby_lake_mrd AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.12.09.0075

vendor=intel AND product=greenlow AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.12.09.0075

vendor=intel AND product=greenlow-r AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.12.09.0075

vendor=intel AND product=greenlow AND version=- AND software_edition=server

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.12.09.0075

vendor=intel AND product=greenlow-r AND version=- AND software_edition=embedded

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.10.48.0001

vendor=intel AND product=kaby_lake AND version=- AND software_edition=client

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.05.39.0001

vendor=intel AND product=skylake_mrd AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.04.15.0001

vendor=intel AND product=skylake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.27.0001

vendor=intel AND product=coffee_lake AND version=-

AND

vendor=insyde AND product=insydeh2o_uefi_bios AND versionEndExcluding=05.23.27.0001

vendor=intel AND product=whiskey_lake AND version=-

Reference

Keywords

CVE-2020-5955

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2020-5955

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures