CVE-2021-42923

ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability. If an attacker overwrites the file %temp%\ShowMyPC\-ShowMyPC3606\wodVPN.dll, it will run any malicious code contained in that file. The code will run with normal user privileges unless the user specifically runs ShowMyPC as administrator.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.3 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://f20.be/cves/showmypc-cve-2021-42923	Third Party Advisory
https://f20.be/cves/showmypc-cve-2021-42923	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:showmypc:showmypc:3606:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

09 Jul 2026, 01:17

Type	Values Removed	Values Added
References	~~{'url': 'http://showmypc.com', 'tags': ['Product', 'Vendor Advisory'], 'source': 'af854a3a-2127-422b-91ae-364da2661108'}~~

21 Nov 2024, 06:28

Type	Values Removed	Values Added
References	~~() http://showmypc.com - Product, Vendor Advisory~~	() http://showmypc.com - Product, Vendor Advisory
References	~~() https://f20.be/cves/showmypc-cve-2021-42923 - Third Party Advisory~~	() https://f20.be/cves/showmypc-cve-2021-42923 - Third Party Advisory

Information

Published : 2022-07-18 00:15

Updated : 2026-07-09 01:17

NVD link : CVE-2021-42923

Mitre link : CVE-2021-42923

CVE.ORG link : CVE-2021-42923

JSON object : View

Products Affected

showmypc

showmypc

microsoft

windows

CWE

CWE-427

Uncontrolled Search Path Element

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