CVE-2021-20487

critical

Description

IBM Power9 Self Boot Engine(SBE) could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process.

References

https://www.ibm.com/support/pages/node/6455911

https://exchange.xforce.ibmcloud.com/vulnerabilities/197730

Details

Source: Mitre, NVD

Published: 2021-05-26

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00128

Detections

Analytics