cve.bz

CVE-2021-20487

9.1 criticalEPSS 0.7%

Critical (9.1) in ibm. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE
CWE-347
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON