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Vulnerabilities

Vulnerability · CVE-2021-47810

WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code.

Published Jan 15, 2026 · catalog updated Mar 5, 2026 · Wibu WibuKey Runtime

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-47810. EPSS is 0.23%. Act only if a listed version of Wibu WibuKey Runtime is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Vendor / distro source
Affected products
vendor Wibu WibuKey Runtime 6.51

WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Wibu WibuKey Runtime 6.516.51

How to fix CVE-2021-47810

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-47810. EPSS is 0.23%. Act only if a listed version of Wibu WibuKey Runtime is installed.

Which versions are affected?

Compare what you have installed with Wibu WibuKey Runtime 6.51 6.51. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2026 · EUVD

    Detected

    WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.

  2. Mar 5, 2026 · EUVD

    Updated

    WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.

Sources

  • CVE.orgVulnerability recordCVE-2021-47810

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-47810

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2026-3022

    WibuKey Runtime 6.51 contains an unquoted service path vulnerability in the WkSvW32.exe service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious ex

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • EUVDNov 2, 2026
  • CVE.orgOct 30, 2026