What is CVE-2021-47807?

CVE-2021-47807 is a high-severity vulnerability in Flexense Sync_breeze, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-16.

How severe is CVE-2021-47807?

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

Vulnerability in Flexense Sync_breeze

CVE-2021-47807

Sync Breeze 13.6.18 contains an unquoted service path vulnerability in its Windows service configuration that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted path in service binaries located…

EPSS: 0.002 (11.1th 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

Flexense Sync_breeze — versions 13.6.18
Syncbreeze Sync Breeze — versions 13.6.18

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47807?: CVE-2021-47807 is a high-severity vulnerability in Flexense Sync_breeze, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-16.
How severe is CVE-2021-47807?: High severity. CVSS v3 base score is 7.8 out of 10.