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CVE Record

CVE-2020-24512: Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially en...

Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure 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

This is a processor-level timing issue in some Intel processors. A logged-in local user could potentially infer information they should not see. The bundle does not provide CVSS, named affected models, or evidence of internet-scale exploitation, so urgency depends on whether your hardware or vendor appliances list this advisory as applicable.

Executive priority

Treat this as a dependency and firmware hygiene issue, not an emergency remote compromise based on provided evidence. Prioritize shared infrastructure and vendor-managed appliances, then fold remaining updates into normal patch cycles.

Technical view

CVE-2020-24512 describes an observable timing discrepancy in some Intel processors that may permit information disclosure by an authenticated user with local access. Sources point to Intel advisory INTEL-SA-00464 and downstream advisories from Debian, NetApp, and Siemens. The provided bundle does not include affected CPU model details or root-cause mechanics.

Likely exposure

Exposure is most likely on systems using Intel processors covered by INTEL-SA-00464, including downstream Linux and appliance platforms that issued advisories. Local authenticated access is required according to the CVE description.

Exploitation context

The source bundle does not show active exploitation, public exploit availability, or CISA KEV listing. The practical risk is higher on shared systems, multi-user hosts, virtualized infrastructure, or appliances where untrusted users can run local code.

Researcher notes

The bundle gives only a high-level timing-discrepancy description and local authenticated attack condition. It lacks CVSS, CWE, affected model list, mitigation specifics, and exploit detail. Avoid over-scoping beyond Intel processors and products explicitly covered by vendor advisories.

Mitigation direction

  • Review Intel INTEL-SA-00464 for affected processor and mitigation details.
  • Apply applicable BIOS, firmware, microcode, or OS vendor security updates.
  • For Debian systems, review DSA-4934 and the Intel microcode update notice.
  • Check NetApp and Siemens advisories for product-specific applicability.
  • Reduce local shell access for untrusted users on affected systems.

Validation and detection

  • Inventory Intel processor models across servers, endpoints, and appliances.
  • Map hardware and OS versions against Intel and downstream vendor advisories.
  • Confirm deployed microcode, BIOS, firmware, and OS packages include vendor fixes.
  • Prioritize shared compute and systems with local non-admin user access.
  • Record exceptions where no vendor update is available yet.
Prepared
Confidence
medium
Sources
7

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-2020-24512 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
6Source 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.