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CVE Record

CVE-2020-8756: Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0....

Improper input validation in subsystem for Intel(R) CSME versions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45 may allow a privileged user to potentially enable escalation of privilege via local access.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-8756 is a local privilege-escalation issue in Intel CSME firmware. An attacker already needing privileged local access could potentially gain higher privileges on systems with affected CSME versions. The public bundle does not provide CVSS, exploit details, or evidence of active exploitation.

Executive priority

Treat this as a firmware hygiene and privilege-boundary risk, not an internet-wide emergency. Prioritize critical laptops, servers, and appliances where affected Intel CSME firmware is present and firmware updates are pending.

Technical view

The flaw is improper input validation in an Intel CSME subsystem before versions 11.8.80, 11.12.80, 11.22.80, 12.0.70, and 14.0.45. The stated impact is potential escalation of privilege via local access by a privileged user.

Likely exposure

Exposure is likely limited to systems using affected Intel CSME firmware branches below the listed fixed versions. Validation requires firmware inventory from endpoint, server, appliance, or OEM management sources.

Exploitation context

The source bundle indicates local access and an already privileged user are required. CISA KEV status is false in the provided data, and no cited source in the bundle states active exploitation.

Researcher notes

The bundle lacks CVSS, CWE, detailed affected product mapping, and exploitability specifics beyond privileged local escalation. Avoid assuming remote exploitability or active exploitation. Product impact should be confirmed through Intel, OEM, and NetApp guidance.

Mitigation direction

  • Inventory Intel CSME firmware versions across managed systems and appliances.
  • Update affected CSME firmware to the applicable listed fixed version or later.
  • Use OEM or vendor firmware packages where Intel updates are distributed indirectly.
  • Review Intel and NetApp advisories for product-specific remediation guidance.

Validation and detection

  • Confirm whether each asset runs Intel CSME and record its firmware branch.
  • Compare firmware versions against 11.8.80, 11.12.80, 11.22.80, 12.0.70, and 14.0.45.
  • Prioritize systems where local privileged access could lead to broader operational impact.
  • Track remediation evidence through firmware inventory or vendor management tooling.
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-2020-8756 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) CSMEversions before 11.8.80, 11.12.80, 11.22.80, 12.0.70 and 14.0.45Listed
Weakness

CWE details

No CWE listed

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