How severe is CVE-2020-24503?

CVE-2020-24503 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-24503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24503?

CVE-2020-24503 affects Intel Ethernet Network Adapter E810 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24503?

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

When was CVE-2020-24503 published?

CVE-2020-24503 was published on 2021-02-17 and last updated on 2026-06-17.

CVE-2020-24503

CVE-2020-24503 is a medium-severity vulnerability in Intel Ethernet Network Adapter E810 Firmware with a CVSS 3.x base score of 5.5. 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 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Ethernet Network Adapter E810 Firmware
Published: 2021-02-17
Last modified: 2026-06-17

Description

Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers for Linux before version 1.0.4 may allow an authenticated user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2020-24503?: Insufficient access control in some Intel(R) Ethernet E810 Adapter drivers for Linux before version 1.0.4 may allow an authenticated user to potentially enable information disclosure via local access.
How severe is CVE-2020-24503?: CVE-2020-24503 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-24503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24503?: CVE-2020-24503 affects Intel Ethernet Network Adapter E810 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24503 published?: CVE-2020-24503 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-00462.html

Affected products (1)

cpe:2.3:o:intel:ethernet_network_adapter_e810_firmware:*:*:*:*:*:linux:*:*

More vulnerabilities in Intel Ethernet Network Adapter E810 Firmware

CVE-2020-24501 — Medium (CVSS 6.5): Buffer overflow in the firmware for Intel(R) E810 Ethernet Controllers before version 1.4.1.13 may allow an…
CVE-2020-24504 — Medium (CVSS 5.5): Uncontrolled resource consumption in some Intel(R) Ethernet E810 Adapter drivers for Linux before version 1.0.4 may…
CVE-2020-24502 — Medium (CVSS 5.5): Improper input validation in some Intel(R) Ethernet E810 Adapter drivers for Linux before version 1.0.4 and before…
CVE-2020-24500 — Medium (CVSS 4.4): Buffer overflow in the firmware for Intel(R) E810 Ethernet Controllers before version 1.4.1.13 may allow a privileged…
CVE-2020-24498 — Medium (CVSS 4.4): Buffer overflow in the firmware for Intel(R) E810 Ethernet Controllers before version 1.4.1.13 may allow a privileged…
CVE-2020-24497 — Medium (CVSS 4.4): Insufficient Access Control in the firmware for Intel(R) E810 Ethernet Controllers before version 1.4.1.13 may allow a…

All CVEs affecting Intel Ethernet Network Adapter E810 Firmware →