CVE-2020-24496

Privileged local service interruption

Published Feb 17, 2021 · Updated Aug 4, 2024

Insufficient input validation in Intel Ethernet Connection X722 firmware before 1.4.3 allows local users to interrupt service. Intel has not published the affected firmware input, the validation error, or the operation that consumes the untrusted value. Local administrative privileges and direct access to the controller are required, and the reported consequence is limited to a service interruption.

CVSS severity3.4
Low
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient input validation in Intel Ethernet Connection X722 firmware before 1.4.3 allows local users to interrupt service. Intel has not published the affected firmware input, the validation error, or the operation that consumes the untrusted value. Local administrative privileges and direct access to the controller are required, and the reported consequence is limited to a service interruption.

The record

CVE
CVE-2020-24496
Published
Feb 17, 2021
Updated
Aug 4, 2024
Vendor
Intel Corporation
Product
Intel Ethernet Connection X722
Classifications
CWE-20
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 1.4.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Intel Corporation · Intel Ethernet Connection X722version=before version 1.4.3

Published CVSS scores

3.4Intel CorporationCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
2.1NIST NVDAV:L/AC:L/Au:N/C:N/I:N/A:P
4.4NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/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

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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