How severe is CVE-2020-24493?

CVE-2020-24493 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-24493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24493?

CVE-2020-24493 affects Intel Ethernet Network Adapter 700 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24493?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-24493 published?

CVE-2020-24493 was published on 2021-02-17 and last updated on 2026-06-17.

CVE-2020-24493

CVE-2020-24493 is a medium-severity vulnerability in Intel Ethernet Network Adapter 700 Firmware with a CVSS 3.x base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Ethernet Network Adapter 700 Firmware
Published: 2021-02-17
Last modified: 2026-06-17

Description

Insufficient access control in the firmware for the Intel(R) 700-series of Ethernet Controllers before version 8.0 may allow a privileged user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2020-24493?: Insufficient access control in the firmware for the Intel(R) 700-series of Ethernet Controllers before version 8.0 may allow a privileged user to potentially enable denial of service via local access.
How severe is CVE-2020-24493?: CVE-2020-24493 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-24493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24493?: CVE-2020-24493 affects Intel Ethernet Network Adapter 700 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24493 published?: CVE-2020-24493 was published on 2021-02-17 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00456.html

Affected products (1)

cpe:2.3:o:intel:ethernet_network_adapter_700_firmware:*:*:*:*:*:*:*:*

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CVE-2020-24505 — Medium (CVSS 4.4): Insufficient input validation in the firmware for the Intel(R) 700-series of Ethernet Controllers before version 7.3…
CVE-2020-24495 — Medium (CVSS 4.4): Insufficient access control in the firmware for the Intel(R) 700-series of Ethernet Controllers before version 7.3 may…

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