CVE-2021-47810

Wibu Wibukey remote code execution

7.8 HIGHPublic exploitEPSS 0.23%

Published15 Jan 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Wibu Wibukey6.51

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://www.exploit-db.com/exploits/49999Exploit
https://www.vulncheck.com/advisories/wibukey-runtime-wksvwexe-unquoted-service-pathThird Party Advisory
https://www.wibu.comProduct
https://www.wibu.com/us/support/user/downloads-user-software.htmlProduct

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2021-47810 being actively exploited?

CVE-2021-47810 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.23%.

How severe is CVE-2021-47810?

CVE-2021-47810 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 0.23% probability of exploitation.

Which products are affected by CVE-2021-47810?

Affected products include Wibu Wibukey.

How do I fix CVE-2021-47810?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-47810 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.