How severe is CVE-2021-27971?

CVE-2021-27971 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-27971 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27971?

CVE-2021-27971 affects Alpsalpine Touchpad Driver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27971?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-27971 published?

CVE-2021-27971 was published on 2022-01-31 and last updated on 2026-06-17.

CVE-2021-27971

CVE-2021-27971 is a high-severity vulnerability in Alpsalpine Touchpad Driver with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alpsalpine Touchpad Driver
Published: 2022-01-31
Last modified: 2026-06-17

Description

Alps Alpine Touchpad Driver 10.3201.101.215 is vulnerable to DLL Injection.

Frequently asked questions

What is CVE-2021-27971?: Alps Alpine Touchpad Driver 10.3201.101.215 is vulnerable to DLL Injection.
How severe is CVE-2021-27971?: CVE-2021-27971 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-27971 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27971?: CVE-2021-27971 affects Alpsalpine Touchpad Driver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27971?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-27971 published?: CVE-2021-27971 was published on 2022-01-31 and last updated on 2026-06-17.

References

http://packetstormsecurity.com/files/165690/Alps-Alpine-Touchpad-Driver-DLL-Injection.html

Affected products (1)

cpe:2.3:a:alpsalpine:touchpad_driver:10.3201.101.215:*:*:*:*:*:*:*