8.5

CVE-2021-47810: wibu wibukey Unquoted Search Path or Element

CVSS: 8.5v4.0HighAnalyzed
Published 15-01-2026Last modified 05-03-2026

Vulnerability summary

CVE-2021-47810 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in wibu wibukey. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 15-01-2026
    PublishedVulnerability first disclosed.
  2. 05-03-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsUnverified

    WibuKey Runtime 6.51 - 'WkSvW32.exe' Unquoted Service Path

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Wibu2 products

1 vendor · 2 products

References

4 links