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CVE-2021-47890: Unquoted Search Path or Element

🗓️ 23 Jan 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Unquoted service path in LogonExpert 8.1 LogonExpertSvc enables elevated system access.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-47890
23 Jan 202616:47
–attackerkb
cnnvd
CNNVD
Softros LogonExpert code issue vulnerability
23 Jan 202600:00
–cnnvd
cve
CVE
CVE-2021-47890
23 Jan 202616:47
–cve
cvelist
Cvelist
CVE-2021-47890 LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path
23 Jan 202616:47
–cvelist
euvd
EUVD
EUVD-2026-4296
23 Jan 202616:47
–euvd
nvd
NVD
CVE-2021-47890
23 Jan 202617:15
–nvd
ptsecurity
Positive Technologies
PT-2026-4506
23 Jan 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2021-47890 LogonExpert 8.1 - 'LogonExpertSvc' Unquoted Service Path
23 Jan 202616:47
–vulnrichment

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15 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
CVSS 48.5
EPSS0.00139
SSVC
0