CVE Vulnerability

CVE-2021-20487

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.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://www.ibm.com/support/pages/node/6455911 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/197730 VDB Entry Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-05-26 05:15

Updated : 2021-06-14 03:11

NVD link : CVE-2021-20487

Mitre link : CVE-2021-20487

Products Affected

9009-22g

Ibm

CWE
CWE-347

Improper Verification of Cryptographic Signature