IBM Power9 Self Boot Engine (SBE) Privilege Escalation and Firmware Integrity Compromise

CVE-2021-20487 · CRITICAL Severity

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

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.

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