How severe is CVE-2021-47810?

CVE-2021-47810 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-47810 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47810?

CVE-2021-47810 affects Wibu Wibukey. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47810?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2021-47810 have an EU (EUVD) identifier?

Yes. CVE-2021-47810 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3022.

When was CVE-2021-47810 published?

CVE-2021-47810 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2021-47810

CVE-2021-47810 is a high-severity vulnerability in Wibu Wibukey with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-428.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3022
Weakness: CWE-428
Affected product: Wibu Wibukey
Published: 2026-01-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. Attackers can exploit the unquoted path in 'C:\PROGRAM FILES (X86)\WIBUKEY\SERVER\WkSvW32.exe' to inject malicious executables and escalate privileges.
How severe is CVE-2021-47810?: CVE-2021-47810 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-47810 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47810?: CVE-2021-47810 affects Wibu Wibukey. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47810?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2021-47810 have an EU (EUVD) identifier?: Yes. CVE-2021-47810 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3022.
When was CVE-2021-47810 published?: CVE-2021-47810 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wibu:wibukey:6.51:*:*:*:*:*:*:*

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