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Date: Thu, 20 Jan 2022 06:35:02 +0000
From: Xiaojian Cao <>
To: "" <>
Subject: [FD] Advisory:[CVE-2021-27971]Alps Alpine DLL Injection Issue

A vulnerability to DLL Injection attacks was found in the Alps Alpine Touchpad driver, which might allow an attacker to access the kernel area memory. Alps Alpine has released updates to mitigate this potential vulnerability.
Vulnerability Details:
The ALPS ALPINE Touchpad driver contains a Improper Access Control vulnerability. A low privilege user with local access to the system could carry out this vulnerability in order to gain arbitrary code execution on the system.
CVE: CVE-2021-27971
CVSS Base Score: 7.8 High
Affected Products:
ALPS ALPINE Touchpad driver
ALPS ALPINE has worked with OEMs and ODMs to develop software updates that can protect systems from the vulnerability.
End users and systems administrators should check with their system manufacturers and system software vendors and apply any available updates as soon as practical.
ALPS ALPINE would like to thank Home Depot for finding the vulnerability, as well as the OEM and ODM partners for the supporting and testing works.

Best Regards,
Jason Cao (曹晓建)
ALPS Communication Devices Technology (Shanghai) Co., LTD.
Room No. 5A, 710 Dongfang Rd., Shanghai, China
Post Code: 200122
Tel: (+86)21-5081-7575<tel:021-5081-7575> ext: 506

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