CVE-2021-20487

8HIGH

Key Information:

Vendor
IBM
Status
Power 9 Systems
Vendor
CVE Published:
26 May 2021

Summary

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.

Affected Version(s)

Power 9 Systems FW930

Power 9 Systems FW940

Power 9 Systems FW941

References

https://www.ibm.com/support/pages/node/6455911
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/197730
vdb-entryx_refsource_XF

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.