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CVE Record

CVE-2021-0187: Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to po...

Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via local access.

LowCVSS 3.2Not KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is a low-severity Intel processor BIOS firmware access-control issue. The attacker must already have high local privileges, so it is not a remote break-in risk. Business urgency is mainly firmware hygiene on affected Intel platforms. Exposure is limited to systems using affected Intel processor platforms and BIOS firmware listed in Intel-SA-00717. The provided bundle does not include the detailed affected SKU or firmware list. Handle through normal vulnerability and firmware lifecycle processes, with higher priority for shared workstations, servers, or environments where many users can gain local administrative access. Mitigation focus: Review Intel-SA-00717 for affected platforms and vendor direction.; Check system OEM firmware guidance before assuming a fix exists.; Prioritize BIOS firmware updates for confirmed affected assets..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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CVE-2021-0187 mapping review

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Vulnerability profileCVE Program record
Severity
Low
CVSS
3.2 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
3.2CVSS 3.1LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N1.51.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.2Low
CVSS 3.1 vector shape for CVE-2021-0187Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIntel(R) ProcessorsSee referencesListed
Weakness

CWE details

No CWE listed

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