How severe is CVE-2021-0110?

CVE-2021-0110 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 none, integrity none, and availability high.

Is CVE-2021-0110 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-0110?

CVE-2021-0110 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-0110?

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

When was CVE-2021-0110 published?

CVE-2021-0110 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-0110

CVE-2021-0110 is a medium-severity vulnerability in Intel Thunderbolt Dch Driver 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% (12th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Thunderbolt Dch Driver
Published: 2021-11-17
Last modified: 2026-06-17

Description

Improper access control in some Intel(R) Thunderbolt(TM) Windows DCH Drivers before version 1.41.1054.0 may allow unauthenticated user to potentially enable denial of service via local access.

Frequently asked questions

What is CVE-2021-0110?: Improper access control in some Intel(R) Thunderbolt(TM) Windows DCH Drivers before version 1.41.1054.0 may allow unauthenticated user to potentially enable denial of service via local access.
How severe is CVE-2021-0110?: CVE-2021-0110 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 none, integrity none, and availability high.
Is CVE-2021-0110 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-0110?: CVE-2021-0110 affects Intel Thunderbolt Dch Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-0110?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-0110 published?: CVE-2021-0110 was published on 2021-11-17 and last updated on 2026-06-17.

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00533.html

Affected products (1)

cpe:2.3:a:intel:thunderbolt_dch_driver:*:*:*:*:*:windows:*:*

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