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CVE Record

CVE-2020-0593: Improper buffer restrictions in BIOS firmware for some Intel(R) Processors may allow a privileged user to p...

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

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-0593 is a BIOS firmware weakness affecting some Intel processors. A user who already has privileged local access may be able to gain higher privileges. This is not described as remotely exploitable, and the bundle does not show active exploitation.

Executive priority

Treat this as a firmware hygiene item requiring asset confirmation. Urgency is lower than remotely exploitable issues, but affected high-value systems should be tracked because firmware privilege escalation can be operationally significant.

Technical view

The CVE describes improper buffer restrictions in BIOS firmware for some Intel processors, enabling potential local escalation of privilege by a privileged user. The source bundle does not provide CVSS, affected version detail, CWE, proof of exploitation, or explicit remediation text beyond vendor references.

Likely exposure

Exposure is limited to systems using affected Intel processor BIOS firmware identified by Intel SA-00358 or downstream vendor advisories such as NetApp NTAP-20201113-0001.

Exploitation context

The stated attack condition is local access by a privileged user. There is no KEV listing in the bundle, and no cited source here states active exploitation.

Researcher notes

The bundle lacks CVSS, exact affected processor list, CWE mapping, and fix details. Avoid assuming broad Intel exposure; validate against Intel and OEM guidance. The privileged-local precondition is material when scoring operational risk.

Mitigation direction

  • Review Intel SA-00358 for affected processor and BIOS firmware guidance.
  • Check OEM or platform vendor BIOS updates for affected hardware.
  • Review NetApp advisory applicability for managed NetApp systems.
  • Prioritize firmware updates on high-value servers and administrative workstations.

Validation and detection

  • Inventory systems by processor model, platform, and BIOS firmware version.
  • Compare inventory against Intel SA-00358 and vendor advisories.
  • Confirm whether OEM BIOS updates addressing this advisory are installed.
  • Document systems where vendor impact or fix status remains unclear.
Prepared
Confidence
medium
Sources
4

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-2020-0593 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
3Source links

CVSS and timeline data

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

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.