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IBM Power9 Self Boot Engine(SBE) could allow a privileged...

Critical severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

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

Published by the National Vulnerability Database May 26, 2021
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 29, 2023

Severity

Critical

EPSS score

0.093%
(41st percentile)

Weaknesses

CVE ID

CVE-2021-20487

GHSA ID

GHSA-gwjp-78rh-pcgc

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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