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CVE Record

CVE-2020-24486: Improper input validation in the firmware for some Intel(R) Processors may allow an authenticated user to p...

Improper input validation in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable denial of service via local access.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-24486 is a firmware input-validation flaw affecting some Intel processors. An already authenticated local user could potentially trigger denial of service. The source bundle does not provide CVSS scoring, exact affected processor generations, or detailed remediation text, so exposure must be confirmed against vendor advisories.

Executive priority

Treat this as a targeted availability risk, not a confirmed widespread emergency. Prioritize affected critical infrastructure, appliances, and systems where local users or administrators are less tightly controlled.

Technical view

The CVE describes improper input validation in firmware for some Intel processors. Impact is potential denial of service via local access by an authenticated user. Public references include Intel SA-00463 and downstream NetApp and Siemens advisories, but the provided bundle does not enumerate affected versions or technical root cause details.

Likely exposure

Likely exposure is systems or products containing Intel processors covered by Intel SA-00463, plus affected NetApp or Siemens products if those advisories map to deployed assets. The bundle does not identify exact CPU models, firmware versions, or CPEs.

Exploitation context

The provided sources support local, authenticated denial-of-service potential. The CVE is not listed as CISA KEV in the bundle, and no cited source here states active exploitation.

Researcher notes

Key gaps are exact affected versions, CVSS scoring, CWE classification, and detailed remediation status in the supplied bundle. Research should start from Intel SA-00463 and downstream vendor advisories, then validate exposure through asset inventory rather than assumptions.

Mitigation direction

  • Review Intel SA-00463 for affected processor and firmware guidance.
  • Check OEM firmware, BIOS, and microcode guidance for covered systems.
  • Review NetApp advisory NTAP-20210702-0002 for product-specific exposure.
  • Review Siemens SSA-309571 for product-specific exposure.
  • Prioritize updates on systems where availability loss has business impact.

Validation and detection

  • Inventory Intel processor-based servers, workstations, and appliances.
  • Map processor and firmware versions to Intel SA-00463.
  • Check NetApp and Siemens deployments against their advisories.
  • Verify current BIOS, firmware, and microcode levels through approved asset tooling.
  • Confirm local user access is restricted to authorized accounts.
Prepared
Confidence
medium
Sources
5

Public sources used

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

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2020-24486 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

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

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.