Is CVE-2020-0523 in the CISA KEV catalog?

No. CVE-2020-0523 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-0523?

CVE-2020-0523 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2020-0523?

CVE-2020-0523 has an EPSS score of 0.24% (15th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-0523?

Upgrade ethernet controller i210 firmware to 3.30 or later.

CVE & CISA-KEV Catalog

CVE-2020-0523

MEDIUM

4.4

CVSS v3

NVD

Description

Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.

How to fix

Remediation Available

ethernet controller i210 firmwareNVD

Affected:< 3.30Fixed in:3.30CVE-2020-0523derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.24%probability of exploitation in 30 days

15thpercentile

Low risk: more likely to be exploited than 15% of all known CVEs.

References

Patch1

intel.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.