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 in 'Program Files' directories to inject malicious executables and escalate privileges.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Flexense Sync Breeze — versions 13.6.18
- Syncbreeze Sync Breeze — versions 13.6.18
Weakness classification (CWE)
References
- ExploitDB-50023 (Exploit, exploit)
- Vendor Homepage (Product, product)
- VulnCheck Advisory: Sync Breeze 13.6.18 - 'Multiple' Unquoted Service Path (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.