Is CVE-2021-47810 in the CISA KEV catalog?

No. CVE-2021-47810 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-47810?

CVE-2021-47810 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-47810?

CVE-2021-47810 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-47810?

No published fix for CVE-2021-47810 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-47810

HIGH

7.8

CVSS v3

NVD

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.

CWE-428

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Exploit1

exploit-db.com

Third-Party Advisory1

vulncheck.com

Product2

Related Vulnerabilities

Other CWE-428 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-38408	Critical	9.8	77%	-	Fix
CVE-2020-15261	High	8.0	11%	-	Fix
CVE-2018-10619	High	7.8	2.8%	-	Fix
CVE-2019-17658	Critical	9.8	2.2%	-	-
CVE-2015-4173	Medium	6.9	2.1%	-	Fix
CVE-2019-16647	High	7.2	2.0%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-30.