IbmCVELIST:CVE-2021-20487CVE-2021-20487
8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
9.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.9%
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.
CNA Affected
[
{
"product": "Power 9 Systems",
"vendor": "IBM",
"versions": [
{
"status": "affected",
"version": "FW930"
},
{
"status": "affected",
"version": "FW940"
},
{
"status": "affected",
"version": "FW941"
},
{
"status": "affected",
"version": "OP940"
}
]
}
]Related
8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
9.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.9%