What is CVE-2020-5955?

CVE-2020-5955 is a critical-severity vulnerability in Insyde Insydeh2o Uefi Bios. CVSS score: 9.8/10. Published 2021-11-03.

How severe is CVE-2020-5955?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Insyde Insydeh2o Uefi Bios

CVE-2020-5955

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.

EPSS: 0.014 (69.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Insyde Insydeh2o_uefi_bios
Intel Cannon_lake
Intel Coffee_lake
Intel Comet_lake
Intel Comet_lake_rvp
Intel Elkhart_lake
Intel Grantley-ep
Intel Greenlow
Intel Greenlow-r
Intel Ice_lake

References

cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-5955?: CVE-2020-5955 is a critical-severity vulnerability in Insyde Insydeh2o Uefi Bios. CVSS score: 9.8/10. Published 2021-11-03.
How severe is CVE-2020-5955?: Critical severity. CVSS v3 base score is 9.8 out of 10.