CVE-2021-47810: wibu wibukey Unquoted Search Path or Element
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.
Timeline
- 15-01-2026PublishedVulnerability first disclosed.
- 05-03-2026Last 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- NVDNIST8.5HighCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundWibuKey Runtime 6.51 - 'WkSvW32.exe' Unquoted Service Path
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Wibu2 products
- wibukey6.51
- wibukey runtime6.51
1 vendor · 2 products
References
4 links- www.wibu.comProduct
- www.vulncheck.com/advisories/wibukey-runtime-wksvwexe-unquoted-service-pathThird Party Advisory