CVE-2020-24495

Service interruption by local privileged users

Published Feb 17, 2021 · Updated Aug 4, 2024

Insufficient firmware access control in Intel Ethernet 700 Series Controllers before 7.3 allows local users with privileged access to interrupt service. Intel has not disclosed the affected firmware locus or the operation that fails to enforce access control. Exploitation requires local privileged access and can cause denial of service; no confidentiality impact is reported.

CVSS severity6.0
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient firmware access control in Intel Ethernet 700 Series Controllers before 7.3 allows local users with privileged access to interrupt service. Intel has not disclosed the affected firmware locus or the operation that fails to enforce access control. Exploitation requires local privileged access and can cause denial of service; no confidentiality impact is reported.

The record

CVE
CVE-2020-24495
Published
Feb 17, 2021
Updated
Aug 4, 2024
Vendor
Intel Corporation
Product
Intel Ethernet 700 Series Controllers
Classifications
T1499
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 17, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=before version 7.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Intel Corporation · Intel Ethernet 700 Series Controllersversion=before version 7.3

Published CVSS scores

4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
6.0Intel CorporationCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

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Your stack

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