What is CVE-2021-47861?

CVE-2021-47861 is a high-severity vulnerability in Fspro Labs Event Log Explorer, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.

How severe is CVE-2021-47861?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Fspro Labs Event Log Explorer

CVE-2021-47861

Event Log Explorer 4.9.3 contains an unquoted service path vulnerability that allows local users to potentially execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path by placing malicious executables in specific file system locations that will be executed with LocalSystem account privileges during service startup.

EPSS: 0.001 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Fspro Labs Event Log Explorer — versions 4.9.3

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47861?: CVE-2021-47861 is a high-severity vulnerability in Fspro Labs Event Log Explorer, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-21.
How severe is CVE-2021-47861?: High severity. CVSS v3 base score is 7.8 out of 10.