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CVE-2020-0551

MediumPublished

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information...

Published: Mar 12, 2020
Updated: Aug 4, 2024
Assigning CNA: intel
Evidence observed: Aug 8, 2026

Primary CVSS

5.6/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

1.0%

Low · next 30 days

Percentile: 62.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Load value injection in some Intel(R) Processors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. The list of affected products is provided in intel-sa-00334: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00334.html

Sources

lvi-lfb-attack-pocPoC
This repository contains the sources and documentation for the LVI-LFB Control Flow Hijacking attack PoC (CVE-2020-0551)

Responsible use

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