Review reviewHigh

CVE-2021-42923

showmypc, windows

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
7.3
EPSS
0.21%
11.7% percentile
CISA KEV
Not listed
Published
2022.07.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.21%
Technical severityCVSS 7.3

Vulnerability overview

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.

Affected product and versions

Product
showmypc, windows
Affected versions
3606
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that showmypc, windows and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-427