CVE-2021-42923
ShowMyPC 3606 on Windows suffers from a DLL hijack vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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 3.1
- 7.3 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.21% probability · 12th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- showmypc/showmypc
- Source
- cve@mitre.org
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://f20.be/cves/showmypc-cve-2021-42923Third Party Advisory
- https://f20.be/cves/showmypc-cve-2021-42923Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.