CVE-2020-24457

No known exploitation. EPSS puts it in the 30th percentile. A vendor fix is available.

CVSS 3.17.6High EPSS percentile30th0.4% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2020-09-14Updated 2024-11-21Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

Logic error in BIOS firmware for 8th, 9th and 10th Generation Intel(R) Core(TM) Processors may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS30th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.4% chance of exploitation activity in the next 30 days, which ranks it in the 30th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

4 events over 1529 days, from the signal feeds we watch.

2024-11-21Patch availablerecord updated
2020-09-14Publishedweakness classified

Affected products

Intel Corp.commercial · USaka intel

And 47 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 7.6 by NVD.

How it is reached

Attack Vector PhysicalRequires physical access to the device
Attack Complexity LowNo special conditions — the attack can be reliably reproduced
Privileges Required NoneNo authentication required — anyone can exploit this
User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

Confidentiality HighTotal information disclosure — all data in the component is compromised
Integrity HighTotal loss of integrity — attacker can modify any data in the component
Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

NVD-CWE-noinfoNo name in the record

Sources

References in the record

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