CVE-2021-0197

CVE-2021-0197 is a medium-severity vulnerability in Intel Ethernet Network Controller E810-xxvam2 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

Description

Protection mechanism failure in the firmware for the Intel(R) Ethernet Network Controller E810 before version 1.5.5.6 may allow a privileged user to enable a denial of service via local access.

Frequently asked questions

What is CVE-2021-0197?
Protection mechanism failure in the firmware for the Intel(R) Ethernet Network Controller E810 before version 1.5.5.6 may allow a privileged user to enable a denial of service via local access.
How severe is CVE-2021-0197?
CVE-2021-0197 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-2021-0197 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0197?
CVE-2021-0197 primarily affects Intel Ethernet Network Controller E810-xxvam2 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-0197?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0197 published?
CVE-2021-0197 was published on 2021-11-17 and last updated on 2026-06-17.

References

Affected products (3)

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